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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs -ppc-formprep-chain-commoning \
; RUN: -mtriple=powerpc-ibm-aix-xcoff -mcpu=pwr9 < %s | FileCheck %s
; Test that on 32 bit AIX, the chain commoning still works without crash.
; addresses:
; 1: base1 + offset
; 2: + offset
; 3: + offset
; 4: + offset
;
; chains:
; 1: base: base1 + offset, offsets: (0, offset)
; 2: base: base1 + 3*offset, offsets: (0, offset)
;
; long long two_chain_same_offset_succ_i32(char *p, int offset, int base1, long long n) {
; int o1 = base1 + offset;
; int o2 = base1 + 2 * offset;
; int o3 = base1 + 3 * offset;
; int o4 = base1 + 4 * offset;
; char *p1 = p + o1;
; char *p2 = p + o2;
; char *p3 = p + o3;
; char *p4 = p + o4;
; long long sum = 0;
; for (long long i = 0; i < n; ++i) {
; unsigned long x1 = *(unsigned long *)(p1 + i);
; unsigned long x2 = *(unsigned long *)(p2 + i);
; unsigned long x3 = *(unsigned long *)(p3 + i);
; unsigned long x4 = *(unsigned long *)(p4 + i);
; sum += x1 * x2 * x3 * x4;
; }
; return sum;
; }
;
define i64 @two_chain_same_offset_succ_i32(ptr %p, i32 %offset, i32 %base1, i64 %n) {
; CHECK-LABEL: two_chain_same_offset_succ_i32:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmplwi r6, 0
; CHECK-NEXT: cmpwi cr1, r6, 0
; CHECK-NEXT: crandc 4*cr5+lt, 4*cr1+lt, eq
; CHECK-NEXT: cmpwi cr1, r7, 0
; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_6
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: crand 4*cr5+lt, eq, 4*cr1+eq
; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_6
; CHECK-NEXT: # %bb.2: # %for.body.preheader
; CHECK-NEXT: slwi r8, r4, 1
; CHECK-NEXT: li r10, 0
; CHECK-NEXT: li r11, 0
; CHECK-NEXT: stw r30, -8(r1) # 4-byte Folded Spill
; CHECK-NEXT: add r8, r4, r8
; CHECK-NEXT: stw r31, -4(r1) # 4-byte Folded Spill
; CHECK-NEXT: add r9, r5, r8
; CHECK-NEXT: add r5, r5, r4
; CHECK-NEXT: add r8, r3, r5
; CHECK-NEXT: add r9, r3, r9
; CHECK-NEXT: li r3, 0
; CHECK-NEXT: li r5, 0
; CHECK-NEXT: .align 4
; CHECK-NEXT: L..BB0_3: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: lwz r12, 0(r8)
; CHECK-NEXT: lwzx r0, r8, r4
; CHECK-NEXT: lwz r31, 0(r9)
; CHECK-NEXT: lwzx r30, r9, r4
; CHECK-NEXT: addi r8, r8, 1
; CHECK-NEXT: addi r9, r9, 1
; CHECK-NEXT: mullw r12, r0, r12
; CHECK-NEXT: mullw r12, r12, r31
; CHECK-NEXT: mullw r12, r12, r30
; CHECK-NEXT: addc r5, r5, r12
; CHECK-NEXT: addze r3, r3
; CHECK-NEXT: addic r11, r11, 1
; CHECK-NEXT: addze r10, r10
; CHECK-NEXT: cmplw r10, r6
; CHECK-NEXT: cmpw cr1, r10, r6
; CHECK-NEXT: crandc 4*cr5+lt, 4*cr1+lt, eq
; CHECK-NEXT: cmplw cr1, r11, r7
; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_3
; CHECK-NEXT: # %bb.4: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: crand 4*cr5+lt, eq, 4*cr1+lt
; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_3
; CHECK-NEXT: # %bb.5:
; CHECK-NEXT: lwz r31, -4(r1) # 4-byte Folded Reload
; CHECK-NEXT: lwz r30, -8(r1) # 4-byte Folded Reload
; CHECK-NEXT: mr r4, r5
; CHECK-NEXT: blr
; CHECK-NEXT: L..BB0_6:
; CHECK-NEXT: li r3, 0
; CHECK-NEXT: li r4, 0
; CHECK-NEXT: blr
entry:
%add = add nsw i32 %base1, %offset
%mul = shl nsw i32 %offset, 1
%add1 = add nsw i32 %mul, %base1
%mul2 = mul nsw i32 %offset, 3
%add3 = add nsw i32 %mul2, %base1
%mul4 = shl nsw i32 %offset, 2
%add5 = add nsw i32 %mul4, %base1
%add.ptr = getelementptr inbounds i8, ptr %p, i32 %add
%add.ptr6 = getelementptr inbounds i8, ptr %p, i32 %add1
%add.ptr7 = getelementptr inbounds i8, ptr %p, i32 %add3
%add.ptr8 = getelementptr inbounds i8, ptr %p, i32 %add5
%cmp49 = icmp sgt i64 %n, 0
br i1 %cmp49, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%sum.0.lcssa = phi i64 [ 0, %entry ], [ %add19, %for.body ]
ret i64 %sum.0.lcssa
for.body: ; preds = %entry, %for.body
%sum.051 = phi i64 [ %add19, %for.body ], [ 0, %entry ]
%i.050 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%idx.ext = trunc i64 %i.050 to i32
%add.ptr9 = getelementptr inbounds i8, ptr %add.ptr, i32 %idx.ext
%0 = load i32, ptr %add.ptr9, align 4
%add.ptr11 = getelementptr inbounds i8, ptr %add.ptr6, i32 %idx.ext
%1 = load i32, ptr %add.ptr11, align 4
%add.ptr13 = getelementptr inbounds i8, ptr %add.ptr7, i32 %idx.ext
%2 = load i32, ptr %add.ptr13, align 4
%add.ptr15 = getelementptr inbounds i8, ptr %add.ptr8, i32 %idx.ext
%3 = load i32, ptr %add.ptr15, align 4
%mul16 = mul i32 %1, %0
%mul17 = mul i32 %mul16, %2
%mul18 = mul i32 %mul17, %3
%conv = zext i32 %mul18 to i64
%add19 = add nuw nsw i64 %sum.051, %conv
%inc = add nuw nsw i64 %i.050, 1
%cmp = icmp slt i64 %inc, %n
br i1 %cmp, label %for.body, label %for.cond.cleanup
}
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