llvm-6502/test/CodeGen/X86/thiscall-struct-return.ll
Preston Gurd 5b50701b1c Fix remaining lit tests which were failing when run on an Atom
processor.

Patches by Tyler Nowicki, Andy Zhang, and Preston Gurd!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19 18:53:21 +00:00

48 lines
1.6 KiB
LLVM

; RUN: llc < %s -mtriple=i386-PC-Win32 | FileCheck %s
%class.C = type { i8 }
%struct.S = type { i32 }
%struct.M = type { i32, i32 }
declare void @_ZN1CC1Ev(%class.C* %this) unnamed_addr nounwind align 2
declare x86_thiscallcc void @_ZNK1C5SmallEv(%struct.S* noalias sret %agg.result, %class.C* %this) nounwind align 2
declare x86_thiscallcc void @_ZNK1C6MediumEv(%struct.M* noalias sret %agg.result, %class.C* %this) nounwind align 2
define void @testv() nounwind {
; CHECK: testv:
; CHECK: leal 16(%esp), %esi
; CHECK-NEXT: movl %esi, (%esp)
; CHECK-NEXT: calll _ZN1CC1Ev
; CHECK: leal 8(%esp), %eax
; CHECK-NEXT: movl %esi, %ecx
; CHECK-NEXT: calll _ZNK1C5SmallEv
entry:
%c = alloca %class.C, align 1
%tmp = alloca %struct.S, align 4
call void @_ZN1CC1Ev(%class.C* %c)
; This call should put the return structure as a pointer
; into EAX instead of returning directly in EAX. The this
; pointer should go into ECX
call x86_thiscallcc void @_ZNK1C5SmallEv(%struct.S* sret %tmp, %class.C* %c)
ret void
}
define void @test2v() nounwind {
; CHECK: test2v:
; CHECK: leal 16(%esp), %esi
; CHECK-NEXT: movl %esi, (%esp)
; CHECK-NEXT: calll _ZN1CC1Ev
; CHECK: leal 8(%esp), %eax
; CHECK-NEXT: movl %esi, %ecx
; CHECK-NEXT: calll _ZNK1C6MediumEv
entry:
%c = alloca %class.C, align 1
%tmp = alloca %struct.M, align 4
call void @_ZN1CC1Ev(%class.C* %c)
; This call should put the return structure as a pointer
; into EAX instead of returning directly in EAX/EDX. The this
; pointer should go into ECX
call x86_thiscallcc void @_ZNK1C6MediumEv(%struct.M* sret %tmp, %class.C* %c)
ret void
}