xref: /llvm-project/llvm/test/CodeGen/Generic/inline-asm-mem-clobber.ll (revision 0e8bd5a44a1bd8034706189b49a7a816c59304cd)
1; RUN: llc -O2 -no-integrated-as < %s | FileCheck %s
2
3; XCore default subtarget does not support 8-byte alignment on stack.
4; XFAIL: target=xcore{{.*}}
5
6@G = common global i32 0, align 4
7
8define i32 @foo(ptr %p) nounwind uwtable {
9entry:
10  %p.addr = alloca ptr, align 8
11  %rv = alloca i32, align 4
12  store ptr %p, ptr %p.addr, align 8
13  store i32 0, ptr @G, align 4
14  %0 = load ptr, ptr %p.addr, align 8
15; CHECK: blah
16  %1 = call i32 asm "blah", "=r,r,~{memory}"(ptr %0) nounwind
17; CHECK: {{[^[:alnum:]]}}G{{[^[:alnum:]]}}
18  store i32 %1, ptr %rv, align 4
19  %2 = load i32, ptr %rv, align 4
20  %3 = load i32, ptr @G, align 4
21  %add = add nsw i32 %2, %3
22  ret i32 %add
23}
24
25