forked from OSchip/llvm-project
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ae9b81e684
commit
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@ -1,16 +1,20 @@
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mcpu=corei7-avx -mtriple=x86_64-linux | FileCheck %s
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; CHECK-LABEL: cftx020:
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; CHECK: vmovsd (%rdi), %xmm{{.*}}
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; CHECK-NEXT: vmovsd 16(%rdi), %xmm{{.*}}
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; CHECK-NEXT: vmovhpd 24(%rdi), %xmm{{.*}}
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; CHECK-NEXT: vmovhpd 8(%rdi), %xmm{{.*}}
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; CHECK: vmovupd %xmm{{.*}}, (%rdi)
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; CHECK-NEXT: vmovupd %xmm{{.*}}, 16(%rdi)
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; CHECK: ret
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; A test from pifft (after SLP-vectorization) that fails when we drop the chain on newly merged loads.
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define void @cftx020(double* nocapture %a) {
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; CHECK-LABEL: cftx020:
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; CHECK: # BB#0: # %entry
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; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: vmovsd {{.*#+}} xmm1 = mem[0],zero
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; CHECK-NEXT: vmovhpd {{.*#+}} xmm0 = xmm0[0],mem[0]
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; CHECK-NEXT: vmovhpd {{.*#+}} xmm1 = xmm1[0],mem[0]
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; CHECK-NEXT: vaddpd %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: vmovupd (%rdi), %xmm1
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; CHECK-NEXT: vsubpd 16(%rdi), %xmm1, %xmm1
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; CHECK-NEXT: vmovupd %xmm0, (%rdi)
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; CHECK-NEXT: vmovupd %xmm1, 16(%rdi)
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; CHECK-NEXT: retq
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entry:
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%0 = load double, double* %a, align 8
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%arrayidx1 = getelementptr inbounds double, double* %a, i64 2
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