blob: 6184f803b71f6eb45f568cd47d409718ff725772 [file] [log] [blame]
Daniel Sanders753e1762014-02-13 14:44:26 +00001; RUN: llc -O2 -no-integrated-as < %s | FileCheck %s
Eric Christopher0cb6fd92013-01-11 18:12:39 +00002
Dylan McKaydb370bd2017-02-08 10:24:18 +00003; Test uses 32-bit registers which aren't supported on AVR.
4; XFAIL: avr
5
Eric Christopher0cb6fd92013-01-11 18:12:39 +00006@G = common global i32 0, align 4
7
8define i32 @foo(i8* %p) nounwind uwtable {
9entry:
10 %p.addr = alloca i8*, align 8
11 %rv = alloca i32, align 4
12 store i8* %p, i8** %p.addr, align 8
13 store i32 0, i32* @G, align 4
David Blaikiea79ac142015-02-27 21:17:42 +000014 %0 = load i8*, i8** %p.addr, align 8
Eric Christopher0cb6fd92013-01-11 18:12:39 +000015; CHECK: blah
16 %1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind
17; CHECK: @G
18 store i32 %1, i32* %rv, align 4
David Blaikiea79ac142015-02-27 21:17:42 +000019 %2 = load i32, i32* %rv, align 4
20 %3 = load i32, i32* @G, align 4
Eric Christopher0cb6fd92013-01-11 18:12:39 +000021 %add = add nsw i32 %2, %3
22 ret i32 %add
23}
24