llvm-project/llvm/test/CodeGen/ARM/2012-10-18-PR14099-ByvalFra...

31 lines
740 B
LLVM

; RUN: llc < %s -mtriple=armv7-linux-gnueabi | FileCheck %s
%struct.s = type { [4 x i32] }
@v = constant %struct.s zeroinitializer;
declare void @f(%struct.s* %p);
; CHECK-LABEL: t:
define void @t(i32 %a, %struct.s* byval %s) nounwind {
entry:
; Here we need to only check proper start address of restored %s argument.
; CHECK: sub sp, sp, #12
; CHECK: push {r11, lr}
; CHECK: sub sp, sp, #4
; CHECK: add r0, sp, #12
; CHECK: stm r0, {r1, r2, r3}
; CHECK: add r0, sp, #12
; CHECK-NEXT: bl f
call void @f(%struct.s* %s)
ret void
}
; CHECK-LABEL: caller:
define void @caller() {
; CHECK: ldm r{{[0-9]+}}, {r1, r2, r3}
call void @t(i32 0, %struct.s* @v);
ret void
}