; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -mattr=+experimental-p -verify-machineinstrs < %s \ ; RUN: | FileCheck %s declare i32 @llvm.ctlz.i32(i32, i1) define signext i32 @ctlz_i32(i32 signext %a) nounwind { ; CHECK-LABEL: ctlz_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: clzw a0, a0 ; CHECK-NEXT: ret %1 = call i32 @llvm.ctlz.i32(i32 %a, i1 false) ret i32 %1 } define signext i32 @log2_i32(i32 signext %a) nounwind { ; CHECK-LABEL: log2_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: clzw a0, a0 ; CHECK-NEXT: li a1, 31 ; CHECK-NEXT: sub a0, a1, a0 ; CHECK-NEXT: ret %1 = call i32 @llvm.ctlz.i32(i32 %a, i1 false) %2 = sub i32 31, %1 ret i32 %2 } define signext i32 @log2_ceil_i32(i32 signext %a) nounwind { ; CHECK-LABEL: log2_ceil_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: addi a0, a0, -1 ; CHECK-NEXT: clzw a0, a0 ; CHECK-NEXT: li a1, 32 ; CHECK-NEXT: sub a0, a1, a0 ; CHECK-NEXT: ret %1 = sub i32 %a, 1 %2 = call i32 @llvm.ctlz.i32(i32 %1, i1 false) %3 = sub i32 32, %2 ret i32 %3 } define signext i32 @findLastSet_i32(i32 signext %a) nounwind { ; CHECK-LABEL: findLastSet_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: clzw a1, a0 ; CHECK-NEXT: snez a0, a0 ; CHECK-NEXT: xori a1, a1, 31 ; CHECK-NEXT: addi a0, a0, -1 ; CHECK-NEXT: or a0, a0, a1 ; CHECK-NEXT: ret %1 = call i32 @llvm.ctlz.i32(i32 %a, i1 true) %2 = xor i32 31, %1 %3 = icmp eq i32 %a, 0 %4 = select i1 %3, i32 -1, i32 %2 ret i32 %4 } define i32 @ctlz_lshr_i32(i32 signext %a) { ; CHECK-LABEL: ctlz_lshr_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: srliw a0, a0, 1 ; CHECK-NEXT: clzw a0, a0 ; CHECK-NEXT: ret %1 = lshr i32 %a, 1 %2 = call i32 @llvm.ctlz.i32(i32 %1, i1 false) ret i32 %2 } declare i64 @llvm.ctlz.i64(i64, i1) define i64 @ctlz_i64(i64 %a) nounwind { ; CHECK-LABEL: ctlz_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: clz a0, a0 ; CHECK-NEXT: ret %1 = call i64 @llvm.ctlz.i64(i64 %a, i1 false) ret i64 %1 } declare i32 @llvm.cttz.i32(i32, i1) define signext i32 @cttz_i32(i32 signext %a) nounwind { ; CHECK-LABEL: cttz_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: beqz a0, .LBB6_2 ; CHECK-NEXT: # %bb.1: # %cond.false ; CHECK-NEXT: addi a1, a0, -1 ; CHECK-NEXT: not a0, a0 ; CHECK-NEXT: and a0, a0, a1 ; CHECK-NEXT: clzw a0, a0 ; CHECK-NEXT: li a1, 32 ; CHECK-NEXT: sub a0, a1, a0 ; CHECK-NEXT: ret ; CHECK-NEXT: .LBB6_2: ; CHECK-NEXT: li a0, 32 ; CHECK-NEXT: ret %1 = call i32 @llvm.cttz.i32(i32 %a, i1 false) ret i32 %1 } define signext i32 @cttz_zero_undef_i32(i32 signext %a) nounwind { ; CHECK-LABEL: cttz_zero_undef_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: addi a1, a0, -1 ; CHECK-NEXT: not a0, a0 ; CHECK-NEXT: and a0, a0, a1 ; CHECK-NEXT: clzw a0, a0 ; CHECK-NEXT: li a1, 32 ; CHECK-NEXT: sub a0, a1, a0 ; CHECK-NEXT: ret %1 = call i32 @llvm.cttz.i32(i32 %a, i1 true) ret i32 %1 } define signext i32 @findFirstSet_i32(i32 signext %a) nounwind { ; CHECK-LABEL: findFirstSet_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: addi a1, a0, -1 ; CHECK-NEXT: not a2, a0 ; CHECK-NEXT: and a1, a2, a1 ; CHECK-NEXT: li a2, 32 ; CHECK-NEXT: snez a0, a0 ; CHECK-NEXT: clzw a1, a1 ; CHECK-NEXT: sub a2, a2, a1 ; CHECK-NEXT: addi a0, a0, -1 ; CHECK-NEXT: or a0, a0, a2 ; CHECK-NEXT: ret %1 = call i32 @llvm.cttz.i32(i32 %a, i1 true) %2 = icmp eq i32 %a, 0 %3 = select i1 %2, i32 -1, i32 %1 ret i32 %3 } define signext i32 @ffs_i32(i32 signext %a) nounwind { ; CHECK-LABEL: ffs_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: addi a1, a0, -1 ; CHECK-NEXT: not a2, a0 ; CHECK-NEXT: and a1, a2, a1 ; CHECK-NEXT: li a2, 33 ; CHECK-NEXT: seqz a0, a0 ; CHECK-NEXT: clzw a1, a1 ; CHECK-NEXT: sub a2, a2, a1 ; CHECK-NEXT: addi a0, a0, -1 ; CHECK-NEXT: and a0, a0, a2 ; CHECK-NEXT: ret %1 = call i32 @llvm.cttz.i32(i32 %a, i1 true) %2 = add i32 %1, 1 %3 = icmp eq i32 %a, 0 %4 = select i1 %3, i32 0, i32 %2 ret i32 %4 } declare i64 @llvm.cttz.i64(i64, i1) define i64 @cttz_i64(i64 %a) nounwind { ; CHECK-LABEL: cttz_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: beqz a0, .LBB10_2 ; CHECK-NEXT: # %bb.1: # %cond.false ; CHECK-NEXT: addi a1, a0, -1 ; CHECK-NEXT: not a0, a0 ; CHECK-NEXT: and a0, a0, a1 ; CHECK-NEXT: clz a0, a0 ; CHECK-NEXT: li a1, 64 ; CHECK-NEXT: sub a0, a1, a0 ; CHECK-NEXT: ret ; CHECK-NEXT: .LBB10_2: ; CHECK-NEXT: li a0, 64 ; CHECK-NEXT: ret %1 = call i64 @llvm.cttz.i64(i64 %a, i1 false) ret i64 %1 } define signext i32 @sextb_i32(i32 signext %a) nounwind { ; CHECK-LABEL: sextb_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.b a0, a0 ; CHECK-NEXT: ret %shl = shl i32 %a, 24 %shr = ashr exact i32 %shl, 24 ret i32 %shr } define i64 @sextb_i64(i64 %a) nounwind { ; CHECK-LABEL: sextb_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.b a0, a0 ; CHECK-NEXT: ret %shl = shl i64 %a, 56 %shr = ashr exact i64 %shl, 56 ret i64 %shr } define signext i32 @sexth_i32(i32 signext %a) nounwind { ; CHECK-LABEL: sexth_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.h a0, a0 ; CHECK-NEXT: ret %shl = shl i32 %a, 16 %shr = ashr exact i32 %shl, 16 ret i32 %shr } define i64 @sexth_i64(i64 %a) nounwind { ; CHECK-LABEL: sexth_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.h a0, a0 ; CHECK-NEXT: ret %shl = shl i64 %a, 48 %shr = ashr exact i64 %shl, 48 ret i64 %shr } define signext i32 @min_i32(i32 signext %a, i32 signext %b) nounwind { ; CHECK-LABEL: min_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: min a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp slt i32 %a, %b %cond = select i1 %cmp, i32 %a, i32 %b ret i32 %cond } define i64 @min_i64(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: min_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: min a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp slt i64 %a, %b %cond = select i1 %cmp, i64 %a, i64 %b ret i64 %cond } define signext i32 @max_i32(i32 signext %a, i32 signext %b) nounwind { ; CHECK-LABEL: max_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: max a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp sgt i32 %a, %b %cond = select i1 %cmp, i32 %a, i32 %b ret i32 %cond } define i64 @max_i64(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: max_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: max a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp sgt i64 %a, %b %cond = select i1 %cmp, i64 %a, i64 %b ret i64 %cond } define signext i32 @minu_i32(i32 signext %a, i32 signext %b) nounwind { ; CHECK-LABEL: minu_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i32 %a, %b %cond = select i1 %cmp, i32 %a, i32 %b ret i32 %cond } define i64 @minu_i64(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: minu_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i64 %a, %b %cond = select i1 %cmp, i64 %a, i64 %b ret i64 %cond } define signext i32 @maxu_i32(i32 signext %a, i32 signext %b) nounwind { ; CHECK-LABEL: maxu_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: maxu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ugt i32 %a, %b %cond = select i1 %cmp, i32 %a, i32 %b ret i32 %cond } define i64 @maxu_i64(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: maxu_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: maxu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ugt i64 %a, %b %cond = select i1 %cmp, i64 %a, i64 %b ret i64 %cond } declare i32 @llvm.abs.i32(i32, i1 immarg) define i32 @abs_i32(i32 %x) { ; CHECK-LABEL: abs_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.w a0, a0 ; CHECK-NEXT: abs a0, a0 ; CHECK-NEXT: ret %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true) ret i32 %abs } define signext i32 @abs_i32_sext(i32 signext %x) { ; CHECK-LABEL: abs_i32_sext: ; CHECK: # %bb.0: ; CHECK-NEXT: abs a0, a0 ; CHECK-NEXT: sext.w a0, a0 ; CHECK-NEXT: ret %abs = tail call i32 @llvm.abs.i32(i32 %x, i1 true) ret i32 %abs } declare i64 @llvm.abs.i64(i64, i1 immarg) define i64 @abs_i64(i64 %x) { ; CHECK-LABEL: abs_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: abs a0, a0 ; CHECK-NEXT: ret %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true) ret i64 %abs } declare i32 @llvm.bswap.i32(i32) define signext i32 @bswap_i32(i32 signext %a) nounwind { ; CHECK-LABEL: bswap_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: rev8 a0, a0 ; CHECK-NEXT: srai a0, a0, 32 ; CHECK-NEXT: ret %1 = tail call i32 @llvm.bswap.i32(i32 %a) ret i32 %1 } ; Similar to bswap_i32 but the result is not sign extended. define void @bswap_i32_nosext(i32 signext %a, ptr %x) nounwind { ; CHECK-LABEL: bswap_i32_nosext: ; CHECK: # %bb.0: ; CHECK-NEXT: rev8 a0, a0 ; CHECK-NEXT: srli a0, a0, 32 ; CHECK-NEXT: sw a0, 0(a1) ; CHECK-NEXT: ret %1 = tail call i32 @llvm.bswap.i32(i32 %a) store i32 %1, ptr %x ret void } declare i64 @llvm.bswap.i64(i64) define i64 @bswap_i64(i64 %a) { ; CHECK-LABEL: bswap_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: rev8 a0, a0 ; CHECK-NEXT: ret %1 = call i64 @llvm.bswap.i64(i64 %a) ret i64 %1 } define i64 @srai_slli(i16 signext %0) { ; CHECK-LABEL: srai_slli: ; CHECK: # %bb.0: ; CHECK-NEXT: slli a0, a0, 57 ; CHECK-NEXT: srai a0, a0, 63 ; CHECK-NEXT: ret %2 = shl i16 %0, 9 %sext = ashr i16 %2, 15 %3 = sext i16 %sext to i64 ret i64 %3 } define i64 @srai_slli2(i16 signext %0) { ; CHECK-LABEL: srai_slli2: ; CHECK: # %bb.0: ; CHECK-NEXT: slli a0, a0, 57 ; CHECK-NEXT: srai a0, a0, 62 ; CHECK-NEXT: ret %2 = shl i16 %0, 9 %sext = ashr i16 %2, 14 %3 = sext i16 %sext to i64 ret i64 %3 } define signext i32 @func0000000000000001(i32 signext %0, i8 signext %1) #0 { ; CHECK-LABEL: func0000000000000001: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: slli a1, a1, 59 ; CHECK-NEXT: srai a1, a1, 63 ; CHECK-NEXT: addw a0, a1, a0 ; CHECK-NEXT: ret entry: %2 = shl i8 %1, 3 %3 = ashr i8 %2, 7 %4 = sext i8 %3 to i32 %5 = add nsw i32 %4, %0 ret i32 %5 } define i8 @sub_if_uge_i8(i8 %x, i8 %y) { ; CHECK-LABEL: sub_if_uge_i8: ; CHECK: # %bb.0: ; CHECK-NEXT: zext.b a2, a0 ; CHECK-NEXT: sub a0, a0, a1 ; CHECK-NEXT: zext.b a0, a0 ; CHECK-NEXT: minu a0, a2, a0 ; CHECK-NEXT: ret %cmp = icmp ult i8 %x, %y %select = select i1 %cmp, i8 0, i8 %y %sub = sub nuw i8 %x, %select ret i8 %sub } define i16 @sub_if_uge_i16(i16 %x, i16 %y) { ; CHECK-LABEL: sub_if_uge_i16: ; CHECK: # %bb.0: ; CHECK-NEXT: lui a2, 16 ; CHECK-NEXT: sub a1, a0, a1 ; CHECK-NEXT: addi a2, a2, -1 ; CHECK-NEXT: and a0, a0, a2 ; CHECK-NEXT: and a1, a1, a2 ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i16 %x, %y %select = select i1 %cmp, i16 0, i16 %y %sub = sub nuw i16 %x, %select ret i16 %sub } define i32 @sub_if_uge_i32(i32 %x, i32 %y) { ; CHECK-LABEL: sub_if_uge_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.w a2, a0 ; CHECK-NEXT: subw a0, a0, a1 ; CHECK-NEXT: minu a0, a2, a0 ; CHECK-NEXT: ret %cmp = icmp ult i32 %x, %y %select = select i1 %cmp, i32 0, i32 %y %sub = sub nuw i32 %x, %select ret i32 %sub } define i64 @sub_if_uge_i64(i64 %x, i64 %y) { ; CHECK-LABEL: sub_if_uge_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: sub a1, a0, a1 ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i64 %x, %y %select = select i1 %cmp, i64 0, i64 %y %sub = sub nuw i64 %x, %select ret i64 %sub } define i128 @sub_if_uge_i128(i128 %x, i128 %y) { ; CHECK-LABEL: sub_if_uge_i128: ; CHECK: # %bb.0: ; CHECK-NEXT: beq a1, a3, .LBB36_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: sltu a4, a1, a3 ; CHECK-NEXT: j .LBB36_3 ; CHECK-NEXT: .LBB36_2: ; CHECK-NEXT: sltu a4, a0, a2 ; CHECK-NEXT: .LBB36_3: ; CHECK-NEXT: addi a4, a4, -1 ; CHECK-NEXT: and a3, a4, a3 ; CHECK-NEXT: and a2, a4, a2 ; CHECK-NEXT: sltu a4, a0, a2 ; CHECK-NEXT: sub a1, a1, a3 ; CHECK-NEXT: sub a1, a1, a4 ; CHECK-NEXT: sub a0, a0, a2 ; CHECK-NEXT: ret %cmp = icmp ult i128 %x, %y %select = select i1 %cmp, i128 0, i128 %y %sub = sub nuw i128 %x, %select ret i128 %sub } define i32 @sub_if_uge_multiuse_select_i32(i32 %x, i32 %y) { ; CHECK-LABEL: sub_if_uge_multiuse_select_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.w a2, a1 ; CHECK-NEXT: sext.w a3, a0 ; CHECK-NEXT: sltu a2, a3, a2 ; CHECK-NEXT: addi a2, a2, -1 ; CHECK-NEXT: and a1, a2, a1 ; CHECK-NEXT: sub a0, a0, a1 ; CHECK-NEXT: sllw a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i32 %x, %y %select = select i1 %cmp, i32 0, i32 %y %sub = sub nuw i32 %x, %select %shl = shl i32 %sub, %select ret i32 %shl } define i32 @sub_if_uge_multiuse_cmp_i32(i32 %x, i32 %y) { ; CHECK-LABEL: sub_if_uge_multiuse_cmp_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sext.w a2, a1 ; CHECK-NEXT: sext.w a3, a0 ; CHECK-NEXT: subw a0, a0, a1 ; CHECK-NEXT: minu a0, a3, a0 ; CHECK-NEXT: bltu a3, a2, .LBB38_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: li a1, 4 ; CHECK-NEXT: sllw a0, a0, a1 ; CHECK-NEXT: ret ; CHECK-NEXT: .LBB38_2: ; CHECK-NEXT: li a1, 2 ; CHECK-NEXT: sllw a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i32 %x, %y %select = select i1 %cmp, i32 0, i32 %y %sub = sub nuw i32 %x, %select %select2 = select i1 %cmp, i32 2, i32 4 %shl = shl i32 %sub, %select2 ret i32 %shl } define i32 @sub_if_uge_multiuse_cmp_store_i32(i32 signext %x, i32 signext %y, ptr %z) { ; CHECK-LABEL: sub_if_uge_multiuse_cmp_store_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: sltu a3, a0, a1 ; CHECK-NEXT: subw a1, a0, a1 ; CHECK-NEXT: xori a3, a3, 1 ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: sw a3, 0(a2) ; CHECK-NEXT: ret %cmp = icmp uge i32 %x, %y %conv = zext i1 %cmp to i32 store i32 %conv, ptr %z, align 4 %select = select i1 %cmp, i32 %y, i32 0 %sub = sub nuw i32 %x, %select ret i32 %sub } define i8 @sub_if_uge_C_i8(i8 zeroext %x) { ; CHECK-LABEL: sub_if_uge_C_i8: ; CHECK: # %bb.0: ; CHECK-NEXT: addi a1, a0, -13 ; CHECK-NEXT: zext.b a1, a1 ; CHECK-NEXT: minu a0, a1, a0 ; CHECK-NEXT: ret %cmp = icmp ugt i8 %x, 12 %sub = add i8 %x, -13 %conv4 = select i1 %cmp, i8 %sub, i8 %x ret i8 %conv4 } define i16 @sub_if_uge_C_i16(i16 zeroext %x) { ; CHECK-LABEL: sub_if_uge_C_i16: ; CHECK: # %bb.0: ; CHECK-NEXT: addi a1, a0, -251 ; CHECK-NEXT: slli a1, a1, 48 ; CHECK-NEXT: srli a1, a1, 48 ; CHECK-NEXT: minu a0, a1, a0 ; CHECK-NEXT: ret %cmp = icmp ugt i16 %x, 250 %sub = add i16 %x, -251 %conv4 = select i1 %cmp, i16 %sub, i16 %x ret i16 %conv4 } define i32 @sub_if_uge_C_i32(i32 signext %x) { ; CHECK-LABEL: sub_if_uge_C_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: lui a1, 1048560 ; CHECK-NEXT: addi a1, a1, 15 ; CHECK-NEXT: addw a1, a0, a1 ; CHECK-NEXT: minu a0, a1, a0 ; CHECK-NEXT: ret %cmp = icmp ugt i32 %x, 65520 %sub = add i32 %x, -65521 %cond = select i1 %cmp, i32 %sub, i32 %x ret i32 %cond } define i64 @sub_if_uge_C_i64(i64 %x) { ; CHECK-LABEL: sub_if_uge_C_i64: ; CHECK: # %bb.0: ; CHECK-NEXT: lui a1, 1046192 ; CHECK-NEXT: addi a1, a1, -761 ; CHECK-NEXT: slli a1, a1, 9 ; CHECK-NEXT: add a1, a0, a1 ; CHECK-NEXT: minu a0, a1, a0 ; CHECK-NEXT: ret %cmp = icmp ugt i64 %x, 4999999999 %sub = add i64 %x, -5000000000 %cond = select i1 %cmp, i64 %sub, i64 %x ret i64 %cond } define i32 @sub_if_uge_C_multiuse_cmp_i32(i32 signext %x, ptr %z) { ; CHECK-LABEL: sub_if_uge_C_multiuse_cmp_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: lui a2, 16 ; CHECK-NEXT: lui a3, 1048560 ; CHECK-NEXT: addi a2, a2, -16 ; CHECK-NEXT: addi a3, a3, 15 ; CHECK-NEXT: sltu a2, a2, a0 ; CHECK-NEXT: addw a3, a0, a3 ; CHECK-NEXT: minu a0, a3, a0 ; CHECK-NEXT: sw a2, 0(a1) ; CHECK-NEXT: ret %cmp = icmp ugt i32 %x, 65520 %conv = zext i1 %cmp to i32 store i32 %conv, ptr %z, align 4 %sub = add i32 %x, -65521 %cond = select i1 %cmp, i32 %sub, i32 %x ret i32 %cond } define i32 @sub_if_uge_C_multiuse_sub_i32(i32 signext %x, ptr %z) { ; CHECK-LABEL: sub_if_uge_C_multiuse_sub_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: lui a2, 1048560 ; CHECK-NEXT: addi a2, a2, 15 ; CHECK-NEXT: addw a2, a0, a2 ; CHECK-NEXT: minu a0, a2, a0 ; CHECK-NEXT: sw a2, 0(a1) ; CHECK-NEXT: ret %sub = add i32 %x, -65521 store i32 %sub, ptr %z, align 4 %cmp = icmp ugt i32 %x, 65520 %cond = select i1 %cmp, i32 %sub, i32 %x ret i32 %cond } define i32 @sub_if_uge_C_swapped_i32(i32 signext %x) { ; CHECK-LABEL: sub_if_uge_C_swapped_i32: ; CHECK: # %bb.0: ; CHECK-NEXT: lui a1, 1048560 ; CHECK-NEXT: addi a1, a1, 15 ; CHECK-NEXT: addw a1, a0, a1 ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: ret %cmp = icmp ult i32 %x, 65521 %sub = add i32 %x, -65521 %cond = select i1 %cmp, i32 %x, i32 %sub ret i32 %cond } define i7 @sub_if_uge_C_nsw_i7(i7 %a) { ; CHECK-LABEL: sub_if_uge_C_nsw_i7: ; CHECK: # %bb.0: ; CHECK-NEXT: ori a0, a0, 51 ; CHECK-NEXT: andi a1, a0, 127 ; CHECK-NEXT: addi a0, a0, 17 ; CHECK-NEXT: andi a0, a0, 92 ; CHECK-NEXT: minu a0, a0, a1 ; CHECK-NEXT: ret %x = or i7 %a, 51 %c = icmp ugt i7 %x, -18 %add = add nsw i7 %x, 17 %s = select i1 %c, i7 %add, i7 %x ret i7 %s } define i7 @sub_if_uge_C_swapped_nsw_i7(i7 %a) { ; CHECK-LABEL: sub_if_uge_C_swapped_nsw_i7: ; CHECK: # %bb.0: ; CHECK-NEXT: ori a0, a0, 51 ; CHECK-NEXT: andi a1, a0, 127 ; CHECK-NEXT: addi a0, a0, 17 ; CHECK-NEXT: andi a0, a0, 92 ; CHECK-NEXT: minu a0, a1, a0 ; CHECK-NEXT: ret %x = or i7 %a, 51 %c = icmp ult i7 %x, -17 %add = add nsw i7 %x, 17 %s = select i1 %c, i7 %x, i7 %add ret i7 %s }