mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
23 lines
886 B
LLVM
23 lines
886 B
LLVM
|
; RUN: llc < %s | grep 0x0021 | count 2
|
||
|
|
; PR4776
|
||
|
|
target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
|
||
|
|
target triple = "msp430-unknown-unknown"
|
||
|
|
|
||
|
|
@"\010x0021" = common global i8 0, align 1 ; <i8*> [#uses=2]
|
||
|
|
|
||
|
|
define zeroext i8 @foo(i8 zeroext %x) nounwind {
|
||
|
|
entry:
|
||
|
|
%retval = alloca i8 ; <i8*> [#uses=2]
|
||
|
|
%x.addr = alloca i8 ; <i8*> [#uses=2]
|
||
|
|
%tmp = alloca i8, align 1 ; <i8*> [#uses=2]
|
||
|
|
store i8 %x, i8* %x.addr
|
||
|
|
%tmp1 = volatile load i8* @"\010x0021" ; <i8> [#uses=1]
|
||
|
|
store i8 %tmp1, i8* %tmp
|
||
|
|
%tmp2 = load i8* %x.addr ; <i8> [#uses=1]
|
||
|
|
volatile store i8 %tmp2, i8* @"\010x0021"
|
||
|
|
%tmp3 = load i8* %tmp ; <i8> [#uses=1]
|
||
|
|
store i8 %tmp3, i8* %retval
|
||
|
|
%0 = load i8* %retval ; <i8> [#uses=1]
|
||
|
|
ret i8 %0
|
||
|
|
}
|