1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; 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.
define void @test_extractelement_legalization_storereuse(<4 x i32> %a, i32* nocapture %x, i32* nocapture readonly %y, i32 %i) #0 {
; CHECK-LABEL: test_extractelement_legalization_storereuse:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: pushl %ebx
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: paddd (%edx), %xmm0
; CHECK-NEXT: movdqa %xmm0, (%edx)
; CHECK-NEXT: movl (%edx), %esi
; CHECK-NEXT: movl 4(%edx), %edi
; CHECK-NEXT: shll $4, %ecx
; CHECK-NEXT: movl 8(%edx), %ebx
; CHECK-NEXT: movl 12(%edx), %edx
; CHECK-NEXT: movl %esi, 12(%eax,%ecx)
; CHECK-NEXT: movl %edi, (%eax,%ecx)
; CHECK-NEXT: movl %ebx, 8(%eax,%ecx)
; CHECK-NEXT: movl %edx, 4(%eax,%ecx)
; CHECK-NEXT: popl %esi
; CHECK-NEXT: popl %edi
; CHECK-NEXT: popl %ebx
; CHECK-NEXT: retl
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 }
|
