xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/x86-64-ptr-arg-simple.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=x86_64-pc-linux-gnux32 < %s | FileCheck -check-prefix=X32ABI %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; %in is kept in %esi for both ABIs. But the pointer will be passed in %edi
5*9880d681SAndroid Build Coastguard Worker; for x32, not %rdi
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker; CHECK: movl %esi, (%rdi)
8*9880d681SAndroid Build Coastguard Worker; X32ABI: movl %esi, (%edi)
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine void @foo(i32* nocapture %out, i32 %in) nounwind {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  store i32 %in, i32* %out, align 4
13*9880d681SAndroid Build Coastguard Worker  ret void
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Worker; CHECK: bar
17*9880d681SAndroid Build Coastguard Worker; CHECK: movl (%rsi), %eax
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker; Similarly here, but for loading
20*9880d681SAndroid Build Coastguard Worker; X32ABI: bar
21*9880d681SAndroid Build Coastguard Worker; X32ABI: movl (%esi), %eax
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerdefine void @bar(i32* nocapture %pOut, i32* nocapture %pIn) nounwind {
24*9880d681SAndroid Build Coastguard Workerentry:
25*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %pIn, align 4
26*9880d681SAndroid Build Coastguard Worker  store i32 %0, i32* %pOut, align 4
27*9880d681SAndroid Build Coastguard Worker  ret void
28*9880d681SAndroid Build Coastguard Worker}
29*9880d681SAndroid Build Coastguard Worker
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