Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 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
}