blob: ab6159520d925812ab8d52adfb218431a0b05915 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc %s -o - | FileCheck %s
; Previously, we would accidentally leave behind SP adjustments to setup a call
; frame for the musttail call target, and SP adjustments would end up
; unbalanced. Reported as https://crbug.com/1026882.
target datalayout = "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i386-pc-windows-msvc19.16.0"
; 20 bytes of memory.
%struct.Args = type { i32, i32, i32, i32, i32 }
declare dso_local x86_thiscallcc void @methodWithVtorDisp(ptr nocapture readonly, ptr inalloca(<{ %struct.Args }>))
; Function Attrs: nounwind optsize
define dso_local x86_thiscallcc void @methodWithVtorDisp_thunk(ptr %0, ptr inalloca(<{ %struct.Args }>) %1) #0 {
; CHECK-LABEL: methodWithVtorDisp_thunk:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: movl %ecx, %esi
; CHECK-NEXT: subl -4(%ecx), %esi
; CHECK-NEXT: pushl {{[0-9]+}}(%esp)
; CHECK-NEXT: pushl $_methodWithVtorDisp_thunk
; CHECK-NEXT: calll ___cyg_profile_func_exit
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: movl %esi, %ecx
; CHECK-NEXT: popl %esi
; CHECK-NEXT: jmp _methodWithVtorDisp # TAILCALL
%3 = getelementptr inbounds i8, ptr %0, i32 -4
%4 = load i32, ptr %3, align 4
%5 = sub i32 0, %4
%6 = getelementptr i8, ptr %0, i32 %5
%7 = call ptr @llvm.returnaddress(i32 0)
call void @__cyg_profile_func_exit(ptr @methodWithVtorDisp_thunk, ptr %7)
musttail call x86_thiscallcc void @methodWithVtorDisp(ptr %6, ptr inalloca(<{ %struct.Args }>) nonnull %1)
ret void
}
declare void @__cyg_profile_func_exit(ptr, ptr)
; Function Attrs: nofree nosync nounwind readnone willreturn
declare ptr @llvm.returnaddress(i32 immarg) #1
attributes #0 = { nounwind optsize }
attributes #1 = { nofree nosync nounwind readnone willreturn }