mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 08:23:21 +01:00
22 lines
768 B
LLVM
22 lines
768 B
LLVM
|
; RUN: llc < %s -o - -march=x86-64 | FileCheck %s
|
||
|
|
; PR4891
|
||
|
|
|
||
|
|
; Both loads should happen before either store.
|
||
|
|
|
||
|
|
; CHECK: movl (%rdi), %eax
|
||
|
|
; CHECK: movl (%rsi), %ecx
|
||
|
|
; CHECK: movl %ecx, (%rdi)
|
||
|
|
; CHECK: movl %eax, (%rsi)
|
||
|
|
|
||
|
|
define void @short2_int_swap(<2 x i16>* nocapture %b, i32* nocapture %c) nounwind {
|
||
|
|
entry:
|
||
|
|
%0 = load <2 x i16>* %b, align 2 ; <<2 x i16>> [#uses=1]
|
||
|
|
%1 = load i32* %c, align 4 ; <i32> [#uses=1]
|
||
|
|
%tmp1 = bitcast i32 %1 to <2 x i16> ; <<2 x i16>> [#uses=1]
|
||
|
|
store <2 x i16> %tmp1, <2 x i16>* %b, align 2
|
||
|
|
%tmp5 = bitcast <2 x i16> %0 to <1 x i32> ; <<1 x i32>> [#uses=1]
|
||
|
|
%tmp3 = extractelement <1 x i32> %tmp5, i32 0 ; <i32> [#uses=1]
|
||
|
|
store i32 %tmp3, i32* %c, align 4
|
||
|
|
ret void
|
||
|
|
}
|