forked from OSchip/llvm-project
59 lines
2.3 KiB
LLVM
59 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=yonah | FileCheck %s
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target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
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; Make sure we don't break load/store ordering when turning an extractelement
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; into loads, off the stack or a previous store.
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; Be very explicit about the ordering/stack offsets.
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define void @test_extractelement_legalization_storereuse(<4 x i32> %a, i32* nocapture %x, i32* nocapture readonly %y, i32 %i) #0 {
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; CHECK-LABEL: test_extractelement_legalization_storereuse:
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; CHECK: ## %bb.0: ## %entry
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; CHECK-NEXT: pushl %ebx
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; CHECK-NEXT: pushl %edi
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; CHECK-NEXT: pushl %esi
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
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; CHECK-NEXT: paddd (%edx), %xmm0
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; CHECK-NEXT: movdqa %xmm0, (%edx)
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; CHECK-NEXT: movl (%edx), %esi
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; CHECK-NEXT: movl 4(%edx), %edi
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; CHECK-NEXT: shll $4, %ecx
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; CHECK-NEXT: movl 8(%edx), %ebx
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; CHECK-NEXT: movl 12(%edx), %edx
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; CHECK-NEXT: movl %esi, 12(%eax,%ecx)
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; CHECK-NEXT: movl %edi, (%eax,%ecx)
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; CHECK-NEXT: movl %ebx, 8(%eax,%ecx)
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; CHECK-NEXT: movl %edx, 4(%eax,%ecx)
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; CHECK-NEXT: popl %esi
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; CHECK-NEXT: popl %edi
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; CHECK-NEXT: popl %ebx
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; CHECK-NEXT: retl
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entry:
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%0 = bitcast i32* %y to <4 x i32>*
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%1 = load <4 x i32>, <4 x i32>* %0, align 16
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%am = add <4 x i32> %a, %1
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store <4 x i32> %am, <4 x i32>* %0, align 16
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%ip0 = shl nsw i32 %i, 2
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%ip1 = or i32 %ip0, 1
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%ip2 = or i32 %ip0, 2
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%ip3 = or i32 %ip0, 3
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%vecext = extractelement <4 x i32> %am, i32 %ip0
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%arrayidx = getelementptr inbounds i32, i32* %x, i32 %ip3
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store i32 %vecext, i32* %arrayidx, align 4
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%vecext5 = extractelement <4 x i32> %am, i32 %ip1
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%arrayidx8 = getelementptr inbounds i32, i32* %x, i32 %ip0
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store i32 %vecext5, i32* %arrayidx8, align 4
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%vecext11 = extractelement <4 x i32> %am, i32 %ip2
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%arrayidx14 = getelementptr inbounds i32, i32* %x, i32 %ip2
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store i32 %vecext11, i32* %arrayidx14, align 4
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%vecext17 = extractelement <4 x i32> %am, i32 %ip3
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%arrayidx20 = getelementptr inbounds i32, i32* %x, i32 %ip1
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store i32 %vecext17, i32* %arrayidx20, align 4
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ret void
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}
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attributes #0 = { nounwind }
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