llvm-project/llvm/test/CodeGen/X86/x86-64-ptr-arg-simple.ll

30 lines
691 B
LLVM

; 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, i32* %pIn, align 4
store i32 %0, i32* %pOut, align 4
ret void
}