2011-03-16 14:52:51 +01:00
|
|
|
; RUN: llc < %s -o - -mtriple=x86_64-linux | FileCheck %s
|
|
|
|
; RUN: llc < %s -o - -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64
|
2009-09-09 16:22:57 +02:00
|
|
|
; PR4891
|
|
|
|
|
|
|
|
; Both loads should happen before either store.
|
|
|
|
|
|
|
|
; CHECK: movl (%rdi), %eax
|
|
|
|
; CHECK: movl (%rsi), %ecx
|
|
|
|
; CHECK: movl %ecx, (%rdi)
|
|
|
|
; CHECK: movl %eax, (%rsi)
|
|
|
|
|
2011-03-16 14:52:51 +01:00
|
|
|
; WIN64: movl (%rcx), %eax
|
|
|
|
; WIN64: movl (%rdx), %esi
|
|
|
|
; WIN64: movl %esi, (%rcx)
|
|
|
|
; WIN64: movl %eax, (%rdx)
|
|
|
|
|
2009-09-09 16:22:57 +02:00
|
|
|
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
|
|
|
|
}
|