forked from OSchip/llvm-project
38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
; RUN: llc < %s -enable-shrink-wrap=true | FileCheck %s
|
|
|
|
; chkstk cannot come before the usual prologue, since it adjusts ESP.
|
|
|
|
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
|
|
target triple = "i686-pc-windows-msvc18.0.0"
|
|
|
|
%struct.S = type { [12 x i8] }
|
|
|
|
define x86_thiscallcc void @call_inalloca(i1 %x) {
|
|
entry:
|
|
%argmem = alloca inalloca <{ %struct.S }>, align 4
|
|
%argidx1 = getelementptr inbounds <{ %struct.S }>, <{ %struct.S }>* %argmem, i32 0, i32 0, i32 0, i32 0
|
|
%argidx2 = getelementptr inbounds <{ %struct.S }>, <{ %struct.S }>* %argmem, i32 0, i32 0, i32 0, i32 1
|
|
store i8 42, i8* %argidx2, align 4
|
|
br i1 %x, label %bb1, label %bb2
|
|
|
|
bb1:
|
|
store i8 42, i8* %argidx1, align 4
|
|
br label %bb2
|
|
|
|
bb2:
|
|
call void @inalloca_params(<{ %struct.S }>* inalloca nonnull %argmem)
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: _call_inalloca: # @call_inalloca
|
|
; CHECK: pushl %ebp
|
|
; CHECK: movl %esp, %ebp
|
|
; CHECK: movl $12, %eax
|
|
; CHECK: calll __chkstk
|
|
; CHECK: calll _inalloca_params
|
|
; CHECK: movl %ebp, %esp
|
|
; CHECK: popl %ebp
|
|
; CHECK: retl
|
|
|
|
declare void @inalloca_params(<{ %struct.S }>* inalloca)
|