69 lines
2.3 KiB
LLVM
69 lines
2.3 KiB
LLVM
|
; RUN: llc < %s | FileCheck %s
|
||
|
|
|
||
|
|
; Based on this C++:
|
||
|
|
; struct A {
|
||
|
|
; int x;
|
||
|
|
; A();
|
||
|
|
; A(const A &a);
|
||
|
|
; ~A();
|
||
|
|
; };
|
||
|
|
; extern "C" void takes_two(A a1, A a2);
|
||
|
|
; extern "C" void passes_two() { takes_two(A(), A()); }
|
||
|
|
|
||
|
|
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
|
||
|
|
target triple = "i686--windows-msvc"
|
||
|
|
|
||
|
|
%struct.A = type { i32 }
|
||
|
|
|
||
|
|
define void @passes_two() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
|
||
|
|
entry:
|
||
|
|
%argmem = alloca inalloca <{ %struct.A, %struct.A }>, align 4
|
||
|
|
%0 = getelementptr inbounds <{ %struct.A, %struct.A }>, <{ %struct.A, %struct.A }>* %argmem, i32 0, i32 1
|
||
|
|
%call = call x86_thiscallcc %struct.A* @"\01??0A@@QAE@XZ"(%struct.A* %0)
|
||
|
|
%1 = getelementptr inbounds <{ %struct.A, %struct.A }>, <{ %struct.A, %struct.A }>* %argmem, i32 0, i32 0
|
||
|
|
%call1 = invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@XZ"(%struct.A* %1)
|
||
|
|
to label %invoke.cont unwind label %ehcleanup
|
||
|
|
|
||
|
|
invoke.cont: ; preds = %entry
|
||
|
|
call void @takes_two(<{ %struct.A, %struct.A }>* inalloca nonnull %argmem)
|
||
|
|
ret void
|
||
|
|
|
||
|
|
ehcleanup: ; preds = %entry
|
||
|
|
%2 = cleanuppad within none []
|
||
|
|
call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %0) [ "funclet"(token %2) ]
|
||
|
|
cleanupret from %2 unwind to caller
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK: _passes_two:
|
||
|
|
; CHECK: pushl %ebp
|
||
|
|
; CHECK: movl %esp, %ebp
|
||
|
|
; CHECK: subl ${{[0-9]+}}, %esp
|
||
|
|
; CHECK: pushl %eax
|
||
|
|
; CHECK: pushl %eax
|
||
|
|
; CHECK: calll "??0A@@QAE@XZ"
|
||
|
|
; CHECK: calll "??0A@@QAE@XZ"
|
||
|
|
; CHECK: calll _takes_two
|
||
|
|
; ESP must be restored via EBP due to "dynamic" alloca.
|
||
|
|
; CHECK: leal -{{[0-9]+}}(%ebp), %esp
|
||
|
|
; CHECK: popl %ebp
|
||
|
|
; CHECK: retl
|
||
|
|
|
||
|
|
; CHECK: "?dtor$2@?0?passes_two@4HA":
|
||
|
|
; CHECK: pushl %ebp
|
||
|
|
; CHECK: subl $8, %esp
|
||
|
|
; CHECK: addl $12, %ebp
|
||
|
|
; CHECK: {{movl|leal}} -{{[0-9]+}}(%ebp), %ecx
|
||
|
|
; CHECK: calll "??1A@@QAE@XZ"
|
||
|
|
; CHECK: addl $8, %esp
|
||
|
|
; CHECK: retl
|
||
|
|
|
||
|
|
declare void @takes_two(<{ %struct.A, %struct.A }>* inalloca) #0
|
||
|
|
|
||
|
|
declare x86_thiscallcc %struct.A* @"\01??0A@@QAE@XZ"(%struct.A* returned) #0
|
||
|
|
|
||
|
|
declare i32 @__CxxFrameHandler3(...)
|
||
|
|
|
||
|
|
declare x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A*) #0
|
||
|
|
|
||
|
|
attributes #0 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|