25 lines
619 B
LLVM
25 lines
619 B
LLVM
|
; RUN: llc -O2 -no-integrated-as < %s | FileCheck %s
|
||
|
|
||
|
; Test uses 32-bit registers which aren't supported on AVR.
|
||
|
; XFAIL: avr
|
||
|
|
||
|
@G = common global i32 0, align 4
|
||
|
|
||
|
define i32 @foo(i8* %p) nounwind uwtable {
|
||
|
entry:
|
||
|
%p.addr = alloca i8*, align 8
|
||
|
%rv = alloca i32, align 4
|
||
|
store i8* %p, i8** %p.addr, align 8
|
||
|
store i32 0, i32* @G, align 4
|
||
|
%0 = load i8*, i8** %p.addr, align 8
|
||
|
; CHECK: blah
|
||
|
%1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind
|
||
|
; CHECK: @G
|
||
|
store i32 %1, i32* %rv, align 4
|
||
|
%2 = load i32, i32* %rv, align 4
|
||
|
%3 = load i32, i32* @G, align 4
|
||
|
%add = add nsw i32 %2, %3
|
||
|
ret i32 %add
|
||
|
}
|
||
|
|