mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-05 13:29:22 +00:00
36a0947820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
674 B
LLVM
24 lines
674 B
LLVM
; RUN: llc < %s -march=x86
|
|
; 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* %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* %X_addr ; <i32> [#uses=1]
|
|
ret i32 %tmp1
|
|
}
|
|
|