; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc < %s -verify-machineinstrs -mtriple=s390x-linux-gnu -O2 | FileCheck %s ; Test implementation of combining select_ccmask for flag output operand and ; optimizing ipm sequence using conditional branches. ; Test-1(f2_0_*): Both TrueVal and FalseVal non-const(14-valid CCMask). ; Check (cc == 0). define i64 @f2_0_eq_0(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_eq_0: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: ber %r14 ; CHECK-NEXT: .LBB0_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp eq i32 %cc, 0 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc != 0). define i64 @f2_0_ne_0(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_ne_0: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bner %r14 ; CHECK-NEXT: .LBB1_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp ugt i32 %cc, 0 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc == 1). define i64 @f2_0_eq_1(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_eq_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB2_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp eq i32 %cc, 1 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc != 1). define i64 @f2_0_ne_1(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_ne_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB3_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp ne i32 %cc, 1 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc == 2). define i64 @f2_0_eq_2(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_eq_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB4_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp eq i32 %cc, 2 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc != 2). define i64 @f2_0_ne_2(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_ne_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnhr %r14 ; CHECK-NEXT: .LBB5_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp ne i32 %cc, 2 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc == 3). define i64 @f2_0_eq_3(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_eq_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bor %r14 ; CHECK-NEXT: .LBB6_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp eq i32 %cc, 3 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc != 3). define i64 @f2_0_ne_3(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_ne_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnor %r14 ; CHECK-NEXT: .LBB7_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp ult i32 %cc, 3 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc == 0|1). define i64 @f2_0_01(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_01: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bler %r14 ; CHECK-NEXT: .LBB8_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp ult i32 %cc, 2 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc == 0|2). define i64 @f2_0_02(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_02: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB9_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %and = and i32 %cc, 1 %cond = icmp eq i32 %and, 0 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check (cc == 0|3). define i64 @f2_0_03(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_0_03: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blhr %r14 ; CHECK-NEXT: .LBB10_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cmp0 = icmp ne i32 %cc, 0 %cmp3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %cmp0, %cmp3 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check (cc == 1|2). define i64 @f2_0_12(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_0_12: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlhr %r14 ; CHECK-NEXT: .LBB11_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %add = add nsw i32 %cc, -3 %cond.inv = icmp ult i32 %add, -2 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check (cc == 1|3). define i64 @f2_0_13(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_0_13: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB12_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %and = and i32 %cc, 1 %cond.inv = icmp eq i32 %and, 0 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check (cc == 2|3). define i64 @f2_0_23(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_0_23: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnler %r14 ; CHECK-NEXT: .LBB13_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %cond = icmp ugt i32 %cc, 1 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Test-2(f2_1_*/f2_2_*/f2_3_*/f2_4_*). ; Both TrueVal and FalseVal are non-const with mixed patterns involving ; Binary Ops. ; Check 'add' for (cc != 0). define i64 @f2_1_1(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_1_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bner %r14 ; CHECK-NEXT: .LBB14_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 3 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f2_1_2(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_1_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blhr %r14 ; CHECK-NEXT: .LBB15_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 2 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f2_1_3(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_1_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlhr %r14 ; CHECK-NEXT: .LBB16_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -3 %cond.inv = icmp ult i32 %add, -2 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'and' with one operand cc and other select_ccmask(cc !=1). define i64 @f2_2_1(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_2_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB17_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpne0 = icmp ne i32 %andcc, 0 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %cmpne3, %cmpne0 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'and' with both operands select_ccmask(cc != 2). define i64 @f2_2_2(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_2_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB18_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %ugt1 = icmp samesign ugt i32 %cc, 1 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %ugt1, %cmpne3 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'and/tm' for (cc == 0|2). define i64 @f2_2_3(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_2_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB19_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond = icmp eq i32 %and, 0 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check 'and/tm' for (cc == 1|3). define i64 @f2_2_4(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_2_4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB20_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond.inv = icmp eq i32 %and, 0 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'icmp' with one operand 'and' and other 'select_ccmask'(cc != 1). define i64 @f2_2_5(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_2_5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB21_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne3 = icmp ne i32 %cc, 3 %cond = xor i1 %cmpne3, %trunc %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Check nested 'xor' cc with select_ccmask(cc != 1). define i64 @f2_3_1(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_3_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB22_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %cmpeq0 = icmp eq i32 %cc, 0 %cmpeq2 = icmp eq i32 %cc, 2 %xor = xor i1 %cmpeq0, %cmpeq2 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = xor i1 %cmpne3, %xor %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=1). define i64 @f2_3_2(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_3_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB23_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = xor i1 %cmpeq3, %trunc %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=2). define i64 @f2_3_3(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_3_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB24_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne0 = icmp ne i32 %cc, 0 %cond.inv = xor i1 %cmpne0, %trunc %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'or' with both operands select_ccmask with TM and ICMP(cc == 1). define i64 @f2_4_1(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_4_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB25_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpeq0 = icmp eq i32 %andcc, 0 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = or i1 %cmpeq3, %cmpeq0 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f2_4_2(i64 %y, i64 %x, ptr %a) { ; CHECK-LABEL: f2_4_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnler %r14 ; CHECK-NEXT: .LBB26_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond.inv = icmp samesign ugt i32 %or, -3 %res = select i1 %cond.inv, i64 %y, i64 %x ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f2_4_3(i64 %x, i64 %y, ptr %a) { ; CHECK-LABEL: f2_4_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r4), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bler %r14 ; CHECK-NEXT: .LBB27_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond = icmp samesign ult i32 %or, -2 %res = select i1 %cond, i64 %x, i64 %y ret i64 %res } ; Test-3(f3_1_*/f3_2_*/f3_3_*/f3_4_*). ; TrueVal is non-const and FalseVal is const with mixed patterns involving ; Binary Ops. ; Check 'add' for (cc != 0). define i64 @f3_1_1(i64 %x, ptr %a) { ; CHECK-LABEL: f3_1_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bner %r14 ; CHECK-NEXT: .LBB28_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 3 %res = select i1 %cond, i64 %x, i64 5 ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f3_1_2(i64 %x, ptr %a) { ; CHECK-LABEL: f3_1_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blhr %r14 ; CHECK-NEXT: .LBB29_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 2 %res = select i1 %cond, i64 %x, i64 5 ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f3_1_3(ptr %a, i64 %x) { ; CHECK-LABEL: f3_1_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bnlhr %r14 ; CHECK-NEXT: .LBB30_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -3 %cond.inv = icmp ult i32 %add, -2 %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'and' with one operand cc and other select_ccmask(cc !=1). define i64 @f3_2_1(ptr %a, i64 %x) { ; CHECK-LABEL: f3_2_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB31_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpne0 = icmp ne i32 %andcc, 0 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %cmpne3, %cmpne0 %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'and' with both operands select_ccmask(cc != 2). define i64 @f3_2_2(ptr %a, i64 %x) { ; CHECK-LABEL: f3_2_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB32_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %ugt1 = icmp samesign ugt i32 %cc, 1 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %ugt1, %cmpne3 %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'and/tm' for (cc == 0|2). define i64 @f3_2_3(i64 %x, ptr %a) { ; CHECK-LABEL: f3_2_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB33_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond = icmp eq i32 %and, 0 %res = select i1 %cond, i64 %x, i64 5 ret i64 %res } ; Check 'and/tm' for (cc == 1|3). define i64 @f3_2_4(ptr %a, i64 %x) { ; CHECK-LABEL: f3_2_4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB34_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond.inv = icmp eq i32 %and, 0 %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'icmp' with one operand 'and' and other 'select_ccmask'(cc != 1). define i64 @f3_2_5(i64 %x, ptr %a) { ; CHECK-LABEL: f3_2_5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB35_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne3 = icmp ne i32 %cc, 3 %cond = xor i1 %cmpne3, %trunc %res = select i1 %cond, i64 %x, i64 5 ret i64 %res } ; Check nested 'xor' cc with select_ccmask(cc != 1). define i64 @f3_3_1(ptr %a, i64 %x) { ; CHECK-LABEL: f3_3_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB36_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %cmpeq0 = icmp eq i32 %cc, 0 %cmpeq2 = icmp eq i32 %cc, 2 %xor = xor i1 %cmpeq0, %cmpeq2 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = xor i1 %cmpne3, %xor %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=1). define i64 @f3_3_2(ptr %a, i64 %x) { ; CHECK-LABEL: f3_3_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB37_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = xor i1 %cmpeq3, %trunc %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=2). define i64 @f3_3_3(ptr %a, i64 %x) { ; CHECK-LABEL: f3_3_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB38_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne0 = icmp ne i32 %cc, 0 %cond.inv = xor i1 %cmpne0, %trunc %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'or' with both operands select_ccmask with TM and ICMP(cc == 1). define i64 @f3_4_1(ptr %a, i64 %x) { ; CHECK-LABEL: f3_4_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB39_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpeq0 = icmp eq i32 %andcc, 0 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = or i1 %cmpeq3, %cmpeq0 %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f3_4_2(ptr %a, i64 %x) { ; CHECK-LABEL: f3_4_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bnler %r14 ; CHECK-NEXT: .LBB40_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond.inv = icmp samesign ugt i32 %or, -3 %res = select i1 %cond.inv, i64 5, i64 %x ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f3_4_3(i64 %x, ptr %a) { ; CHECK-LABEL: f3_4_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bler %r14 ; CHECK-NEXT: .LBB41_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond = icmp samesign ult i32 %or, -2 %res = select i1 %cond, i64 %x, i64 5 ret i64 %res } ; Test-4(f4_1_*/f4_2_*/f4_3_*/f4_4_*). ; TrueVal is const and FalseVal is non-const with mixed patterns involving ; Binary Ops. ; Check 'add' for (cc != 0). define i64 @f4_1_1(ptr %a, i64 %y) { ; CHECK-LABEL: f4_1_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bner %r14 ; CHECK-NEXT: .LBB42_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 3 %res = select i1 %cond, i64 15, i64 %y ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f4_1_2(ptr %a, i64 %y) { ; CHECK-LABEL: f4_1_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: blhr %r14 ; CHECK-NEXT: .LBB43_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 2 %res = select i1 %cond, i64 15, i64 %y ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f4_1_3(i64 %y, ptr %a) { ; CHECK-LABEL: f4_1_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlhr %r14 ; CHECK-NEXT: .LBB44_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -3 %cond.inv = icmp ult i32 %add, -2 %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'and' with one operand cc and other select_ccmask(cc !=1). define i64 @f4_2_1(i64 %y, ptr %a) { ; CHECK-LABEL: f4_2_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB45_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpne0 = icmp ne i32 %andcc, 0 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %cmpne3, %cmpne0 %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'and' with both operands select_ccmask(cc != 2). define i64 @f4_2_2(i64 %y, ptr %a) { ; CHECK-LABEL: f4_2_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB46_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %ugt1 = icmp samesign ugt i32 %cc, 1 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %ugt1, %cmpne3 %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'and/tm' for (cc == 0|2). define i64 @f4_2_3(ptr %a, i64 %y) { ; CHECK-LABEL: f4_2_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB47_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond = icmp eq i32 %and, 0 %res = select i1 %cond, i64 15, i64 %y ret i64 %res } ; Check 'and/tm' for (cc == 1|3). define i64 @f4_2_4(i64 %y, ptr %a) { ; CHECK-LABEL: f4_2_4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB48_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond.inv = icmp eq i32 %and, 0 %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'icmp' with one operand 'and' and other 'select_ccmask'(cc != 1). define i64 @f4_2_5(ptr %a, i64 %y) { ; CHECK-LABEL: f4_2_5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB49_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne3 = icmp ne i32 %cc, 3 %cond = xor i1 %cmpne3, %trunc %res = select i1 %cond, i64 15, i64 %y ret i64 %res } ; Check nested 'xor' cc with select_ccmask(cc != 1). define i64 @f4_3_1(i64 %y, ptr %a) { ; CHECK-LABEL: f4_3_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB50_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %cmpeq0 = icmp eq i32 %cc, 0 %cmpeq2 = icmp eq i32 %cc, 2 %xor = xor i1 %cmpeq0, %cmpeq2 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = xor i1 %cmpne3, %xor %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=1). define i64 @f4_3_2(i64 %y, ptr %a) { ; CHECK-LABEL: f4_3_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB51_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = xor i1 %cmpeq3, %trunc %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=2). define i64 @f4_3_3(i64 %y, ptr %a) { ; CHECK-LABEL: f4_3_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB52_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne0 = icmp ne i32 %cc, 0 %cond.inv = xor i1 %cmpne0, %trunc %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'or' with both operands select_ccmask with TM and ICMP(cc == 1). define i64 @f4_4_1(i64 %y,ptr %a) { ; CHECK-LABEL: f4_4_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB53_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpeq0 = icmp eq i32 %andcc, 0 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = or i1 %cmpeq3, %cmpeq0 %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f4_4_2(i64 %y, ptr %a) { ; CHECK-LABEL: f4_4_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r3), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: bnler %r14 ; CHECK-NEXT: .LBB54_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond.inv = icmp samesign ugt i32 %or, -3 %res = select i1 %cond.inv, i64 %y, i64 15 ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f4_4_3(ptr %a, i64 %y) { ; CHECK-LABEL: f4_4_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bler %r14 ; CHECK-NEXT: .LBB55_1: # %entry ; CHECK-NEXT: lgr %r2, %r3 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond = icmp samesign ult i32 %or, -2 %res = select i1 %cond, i64 15, i64 %y ret i64 %res } ; Test-5(f5_1_*/f5_2_*/f5_3_*/f5_4_*). ; Both TrueVal and FalseVal are const with mixed patterns involving ; Binary Ops. ; Check 'add' for (cc != 0). define i64 @f5_1_1(ptr %a) { ; CHECK-LABEL: f5_1_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bner %r14 ; CHECK-NEXT: .LBB56_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 3 %res = select i1 %cond, i64 15, i64 5 ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f5_1_2(ptr %a) { ; CHECK-LABEL: f5_1_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: blhr %r14 ; CHECK-NEXT: .LBB57_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -1 %cond = icmp ult i32 %add, 2 %res = select i1 %cond, i64 15, i64 5 ret i64 %res } ; Check 'add' for (cc == 1|2). define i64 @f5_1_3(ptr %a) { ; CHECK-LABEL: f5_1_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bnlhr %r14 ; CHECK-NEXT: .LBB58_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %add = add nsw i32 %cc, -3 %cond.inv = icmp ult i32 %add, -2 %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'and' with one operand cc and other select_ccmask(cc !=1). define i64 @f5_2_1(ptr %a) { ; CHECK-LABEL: f5_2_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB59_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpne0 = icmp ne i32 %andcc, 0 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %cmpne3, %cmpne0 %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'and' with both operands select_ccmask(cc != 2). define i64 @f5_2_2(ptr %a) { ; CHECK-LABEL: f5_2_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB60_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %ugt1 = icmp samesign ugt i32 %cc, 1 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = and i1 %ugt1, %cmpne3 %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'and/tm' for (cc == 0|2). define i64 @f5_2_3(ptr %a) { ; CHECK-LABEL: f5_2_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB61_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond = icmp eq i32 %and, 0 %res = select i1 %cond, i64 15, i64 5 ret i64 %res } ; Check 'and/tm' for (cc == 1|3). define i64 @f5_2_4(ptr %a) { ; CHECK-LABEL: f5_2_4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB62_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %and = and i32 %cc, 1 %cond.inv = icmp eq i32 %and, 0 %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'icmp' with one operand 'and' and other 'select_ccmask'(cc != 1). define i64 @f5_2_5(ptr %a) { ; CHECK-LABEL: f5_2_5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB63_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne3 = icmp ne i32 %cc, 3 %cond = xor i1 %cmpne3, %trunc %res = select i1 %cond, i64 15, i64 5 ret i64 %res } ; Check nested 'xor' cc with select_ccmask(cc != 1). define i64 @f5_3_1(ptr %a) { ; CHECK-LABEL: f5_3_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB64_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %cmpeq0 = icmp eq i32 %cc, 0 %cmpeq2 = icmp eq i32 %cc, 2 %xor = xor i1 %cmpeq0, %cmpeq2 %cmpne3 = icmp ne i32 %cc, 3 %cond.inv = xor i1 %cmpne3, %xor %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=1). define i64 @f5_3_2(ptr %a) { ; CHECK-LABEL: f5_3_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: blr %r14 ; CHECK-NEXT: .LBB65_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = xor i1 %cmpeq3, %trunc %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check branching on 'tm' and 'xor' with one operand cc and the other ; select_ccmask(cc !=2). define i64 @f5_3_3(ptr %a) { ; CHECK-LABEL: f5_3_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bhr %r14 ; CHECK-NEXT: .LBB66_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %trunc = trunc i32 %cc to i1 %cmpne0 = icmp ne i32 %cc, 0 %cond.inv = xor i1 %cmpne0, %trunc %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'or' with both operands select_ccmask with TM and ICMP(cc == 1). define i64 @f5_4_1(ptr %a) { ; CHECK-LABEL: f5_4_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bnlr %r14 ; CHECK-NEXT: .LBB67_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %andcc = and i32 %cc, 1 %cmpeq0 = icmp eq i32 %andcc, 0 %cmpeq3 = icmp eq i32 %cc, 3 %cond.inv = or i1 %cmpeq3, %cmpeq0 %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f5_4_2(ptr %a) { ; CHECK-LABEL: f5_4_2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: bnler %r14 ; CHECK-NEXT: .LBB68_1: # %entry ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond.inv = icmp samesign ugt i32 %or, -3 %res = select i1 %cond.inv, i64 5, i64 15 ret i64 %res } ; Check 'or' for (cc == 0|1). define i64 @f5_4_3(ptr %a) { ; CHECK-LABEL: f5_4_3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bler %r14 ; CHECK-NEXT: .LBB69_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %tmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %tmp) %or = or disjoint i32 %cc, -4 %cond = icmp samesign ult i32 %or, -2 %res = select i1 %cond, i64 15, i64 5 ret i64 %res } ; Nested select_ccmask with TrueVal and FalseVal swapped with each other. define i64 @f6_1(ptr %a) { ; CHECK-LABEL: f6_1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: #APP ; CHECK-NEXT: alsi 0(%r2), -1 ; CHECK-EMPTY: ; CHECK-NEXT: #NO_APP ; CHECK-NEXT: lghi %r2, 15 ; CHECK-NEXT: bher %r14 ; CHECK-NEXT: .LBB70_1: # %entry ; CHECK-NEXT: lghi %r2, 5 ; CHECK-NEXT: br %r14 entry: %cc = tail call i32 asm sideeffect "alsi $1,-1\0A", "={@cc},=*QS,*QS,~{memory}"(ptr elementtype(i32) %a, ptr elementtype(i32) %a) %cmp = icmp ult i32 %cc, 4 tail call void @llvm.assume(i1 %cmp) %andcc = and i32 %cc, 1 %cmpeq0 = icmp eq i32 %andcc, 0 %cmpeq3 = icmp eq i32 %cc, 3 %select = select i1 %cmpeq3, i64 5, i64 15 %res = select i1 %cmpeq0, i64 %select, i64 5 ret i64 %res }