Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions

View File

@@ -0,0 +1,23 @@
; RUN: llc < %s -mtriple=i686-- -no-integrated-as
; PR833
@G = weak global i32 0 ; <i32*> [#uses=3]
define i32 @foo(i32 %X) {
entry:
%X_addr = alloca i32 ; <i32*> [#uses=3]
store i32 %X, i32* %X_addr
call void asm sideeffect "xchg{l} {$0,$1|$1,$0}", "=*m,=*r,m,1,~{dirflag},~{fpsr},~{flags}"( i32* @G, i32* %X_addr, i32* @G, i32 %X )
%tmp1 = load i32, i32* %X_addr ; <i32> [#uses=1]
ret i32 %tmp1
}
define i32 @foo2(i32 %X) {
entry:
%X_addr = alloca i32 ; <i32*> [#uses=3]
store i32 %X, i32* %X_addr
call void asm sideeffect "xchg{l} {$0,$1|$1,$0}", "=*m,=*r,1,~{dirflag},~{fpsr},~{flags}"( i32* @G, i32* %X_addr, i32 %X )
%tmp1 = load i32, i32* %X_addr ; <i32> [#uses=1]
ret i32 %tmp1
}