xref: /aosp_15_r20/external/llvm/test/CodeGen/Generic/inline-asm-mem-clobber.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -O2 -no-integrated-as < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker@G = common global i32 0, align 4
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(i8* %p) nounwind uwtable {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  %p.addr = alloca i8*, align 8
8*9880d681SAndroid Build Coastguard Worker  %rv = alloca i32, align 4
9*9880d681SAndroid Build Coastguard Worker  store i8* %p, i8** %p.addr, align 8
10*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* @G, align 4
11*9880d681SAndroid Build Coastguard Worker  %0 = load i8*, i8** %p.addr, align 8
12*9880d681SAndroid Build Coastguard Worker; CHECK: blah
13*9880d681SAndroid Build Coastguard Worker  %1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind
14*9880d681SAndroid Build Coastguard Worker; CHECK: @G
15*9880d681SAndroid Build Coastguard Worker  store i32 %1, i32* %rv, align 4
16*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %rv, align 4
17*9880d681SAndroid Build Coastguard Worker  %3 = load i32, i32* @G, align 4
18*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %2, %3
19*9880d681SAndroid Build Coastguard Worker  ret i32 %add
20*9880d681SAndroid Build Coastguard Worker}
21*9880d681SAndroid Build Coastguard Worker
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