diff options
Diffstat (limited to 'test/CodeGen/X86/x86-64-ptr-arg-simple.ll')
| -rw-r--r-- | test/CodeGen/X86/x86-64-ptr-arg-simple.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/X86/x86-64-ptr-arg-simple.ll b/test/CodeGen/X86/x86-64-ptr-arg-simple.ll new file mode 100644 index 0000000..6d46663 --- /dev/null +++ b/test/CodeGen/X86/x86-64-ptr-arg-simple.ll @@ -0,0 +1,29 @@ +; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s +; RUN: llc -mtriple=x86_64-pc-linux-gnux32 < %s | FileCheck -check-prefix=X32ABI %s + +; %in is kept in %esi for both ABIs. But the pointer will be passed in %edi +; for x32, not %rdi + +; CHECK: movl %esi, (%rdi) +; X32ABI: movl %esi, (%edi) + +define void @foo(i32* nocapture %out, i32 %in) nounwind { +entry: + store i32 %in, i32* %out, align 4 + ret void +} + +; CHECK: bar +; CHECK: movl (%rsi), %eax + +; Similarly here, but for loading +; X32ABI: bar +; X32ABI: movl (%esi), %eax + +define void @bar(i32* nocapture %pOut, i32* nocapture %pIn) nounwind { +entry: + %0 = load i32* %pIn, align 4 + store i32 %0, i32* %pOut, align 4 + ret void +} + |