forked from OSchip/llvm-project
58 lines
2.1 KiB
LLVM
58 lines
2.1 KiB
LLVM
; RUN: llc < %s -mtriple i386-apple-darwin -mcpu=yonah | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
|
|
|
|
; Make sure we don't break load/store ordering when turning an extractelement
|
|
; into loads, off the stack or a previous store.
|
|
; Be very explicit about the ordering/stack offsets.
|
|
|
|
; CHECK-LABEL: test_extractelement_legalization_storereuse:
|
|
; CHECK: # BB#0
|
|
; CHECK-NEXT: pushl %ebx
|
|
; CHECK-NEXT: pushl %edi
|
|
; CHECK-NEXT: pushl %esi
|
|
; CHECK-NEXT: movl 16(%esp), %eax
|
|
; CHECK-NEXT: movl 24(%esp), %ecx
|
|
; CHECK-NEXT: movl 20(%esp), %edx
|
|
; CHECK-NEXT: paddd (%edx), %xmm0
|
|
; CHECK-NEXT: movdqa %xmm0, (%edx)
|
|
; CHECK-NEXT: movl (%edx), %esi
|
|
; CHECK-NEXT: movl 12(%edx), %edi
|
|
; CHECK-NEXT: movl 8(%edx), %ebx
|
|
; CHECK-NEXT: movl 4(%edx), %edx
|
|
; CHECK-NEXT: shll $4, %ecx
|
|
; CHECK-NEXT: movl %esi, 12(%eax,%ecx)
|
|
; CHECK-NEXT: movl %edx, (%eax,%ecx)
|
|
; CHECK-NEXT: movl %ebx, 8(%eax,%ecx)
|
|
; CHECK-NEXT: movl %edi, 4(%eax,%ecx)
|
|
; CHECK-NEXT: popl %esi
|
|
; CHECK-NEXT: popl %edi
|
|
; CHECK-NEXT: popl %ebx
|
|
; CHECK-NEXT: retl
|
|
define void @test_extractelement_legalization_storereuse(<4 x i32> %a, i32* nocapture %x, i32* nocapture readonly %y, i32 %i) #0 {
|
|
entry:
|
|
%0 = bitcast i32* %y to <4 x i32>*
|
|
%1 = load <4 x i32>, <4 x i32>* %0, align 16
|
|
%am = add <4 x i32> %a, %1
|
|
store <4 x i32> %am, <4 x i32>* %0, align 16
|
|
%ip0 = shl nsw i32 %i, 2
|
|
%ip1 = or i32 %ip0, 1
|
|
%ip2 = or i32 %ip0, 2
|
|
%ip3 = or i32 %ip0, 3
|
|
%vecext = extractelement <4 x i32> %am, i32 %ip0
|
|
%arrayidx = getelementptr inbounds i32, i32* %x, i32 %ip3
|
|
store i32 %vecext, i32* %arrayidx, align 4
|
|
%vecext5 = extractelement <4 x i32> %am, i32 %ip1
|
|
%arrayidx8 = getelementptr inbounds i32, i32* %x, i32 %ip0
|
|
store i32 %vecext5, i32* %arrayidx8, align 4
|
|
%vecext11 = extractelement <4 x i32> %am, i32 %ip2
|
|
%arrayidx14 = getelementptr inbounds i32, i32* %x, i32 %ip2
|
|
store i32 %vecext11, i32* %arrayidx14, align 4
|
|
%vecext17 = extractelement <4 x i32> %am, i32 %ip3
|
|
%arrayidx20 = getelementptr inbounds i32, i32* %x, i32 %ip1
|
|
store i32 %vecext17, i32* %arrayidx20, align 4
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|