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