forked from OSchip/llvm-project
89 lines
3.4 KiB
LLVM
89 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -o - | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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define void @merge_double(double* noalias nocapture %st, double* noalias nocapture readonly %ld) #0 {
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; CHECK-LABEL: merge_double:
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; CHECK: # BB#0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero
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; CHECK-NEXT: movsd %xmm0, (%rdi)
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; CHECK-NEXT: movsd %xmm1, 8(%rdi)
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; CHECK-NEXT: movsd %xmm0, 16(%rdi)
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; CHECK-NEXT: movsd %xmm1, 24(%rdi)
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; CHECK-NEXT: retq
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%ld_idx1 = getelementptr inbounds double, double* %ld, i64 1
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%ld0 = load double, double* %ld, align 8, !tbaa !2
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%ld1 = load double, double* %ld_idx1, align 8, !tbaa !2
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%st_idx1 = getelementptr inbounds double, double* %st, i64 1
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%st_idx2 = getelementptr inbounds double, double* %st, i64 2
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%st_idx3 = getelementptr inbounds double, double* %st, i64 3
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store double %ld0, double* %st, align 8, !tbaa !2
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store double %ld1, double* %st_idx1, align 8, !tbaa !2
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store double %ld0, double* %st_idx2, align 8, !tbaa !2
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store double %ld1, double* %st_idx3, align 8, !tbaa !2
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ret void
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}
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define void @merge_loadstore_int(i64* noalias nocapture readonly %p, i64* noalias nocapture %q) local_unnamed_addr #0 {
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; CHECK-LABEL: merge_loadstore_int:
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; CHECK: # BB#0: # %entry
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; CHECK-NEXT: movq (%rdi), %rax
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; CHECK-NEXT: movq 8(%rdi), %rcx
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; CHECK-NEXT: movq %rax, (%rsi)
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; CHECK-NEXT: movq %rcx, 8(%rsi)
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; CHECK-NEXT: movq %rax, 16(%rsi)
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; CHECK-NEXT: movq %rcx, 24(%rsi)
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; CHECK-NEXT: retq
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entry:
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%0 = load i64, i64* %p, align 8, !tbaa !1
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%arrayidx1 = getelementptr inbounds i64, i64* %p, i64 1
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%1 = load i64, i64* %arrayidx1, align 8, !tbaa !1
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store i64 %0, i64* %q, align 8, !tbaa !1
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%arrayidx3 = getelementptr inbounds i64, i64* %q, i64 1
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store i64 %1, i64* %arrayidx3, align 8, !tbaa !1
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%arrayidx4 = getelementptr inbounds i64, i64* %q, i64 2
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store i64 %0, i64* %arrayidx4, align 8, !tbaa !1
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%arrayidx5 = getelementptr inbounds i64, i64* %q, i64 3
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store i64 %1, i64* %arrayidx5, align 8, !tbaa !1
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ret void
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}
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define i64 @merge_loadstore_int_with_extra_use(i64* noalias nocapture readonly %p, i64* noalias nocapture %q) local_unnamed_addr #0 {
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; CHECK-LABEL: merge_loadstore_int_with_extra_use:
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; CHECK: # BB#0: # %entry
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; CHECK-NEXT: movq (%rdi), %rax
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; CHECK-NEXT: movq 8(%rdi), %rcx
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; CHECK-NEXT: movq %rax, (%rsi)
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; CHECK-NEXT: movq %rcx, 8(%rsi)
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; CHECK-NEXT: movq %rax, 16(%rsi)
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; CHECK-NEXT: movq %rcx, 24(%rsi)
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; CHECK-NEXT: retq
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entry:
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%0 = load i64, i64* %p, align 8, !tbaa !1
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%arrayidx1 = getelementptr inbounds i64, i64* %p, i64 1
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%1 = load i64, i64* %arrayidx1, align 8, !tbaa !1
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store i64 %0, i64* %q, align 8, !tbaa !1
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%arrayidx3 = getelementptr inbounds i64, i64* %q, i64 1
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store i64 %1, i64* %arrayidx3, align 8, !tbaa !1
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%arrayidx4 = getelementptr inbounds i64, i64* %q, i64 2
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store i64 %0, i64* %arrayidx4, align 8, !tbaa !1
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%arrayidx5 = getelementptr inbounds i64, i64* %q, i64 3
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store i64 %1, i64* %arrayidx5, align 8, !tbaa !1
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ret i64 %0
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}
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attributes #0 = { "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" }
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!0 = !{!"clang version 5.0.0 (trunk 296467) (llvm/trunk 296476)"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"double", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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