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llvm-mirror/test/CodeGen/X86/seh-finally.ll
David Majnemer 870f172298 [WinEH] Add comments explaining the EH tables
This is aids in debugging WinEH, similar functionality is present for
DWARF EH.

llvm-svn: 256455
2015-12-27 06:07:12 +00:00

61 lines
1.8 KiB
LLVM

; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=X64
; RUN: sed -e 's/__C_specific_handler/_except_handler3/' %s | \
; RUN: llc -mtriple=i686-windows-msvc | FileCheck %s --check-prefix=X86
@str_recovered = internal unnamed_addr constant [10 x i8] c"recovered\00", align 1
declare void @crash()
define i32 @main() personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
entry:
invoke void @crash()
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
%call = call i32 @puts(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @str_recovered, i64 0, i64 0))
call void @abort()
ret i32 0
lpad: ; preds = %entry
%p = cleanuppad within none []
%call2 = call i32 @puts(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @str_recovered, i64 0, i64 0)) [ "funclet"(token %p) ]
cleanupret from %p unwind to caller
}
; X64-LABEL: main:
; X64: retq
; X64: .seh_handlerdata
; X64-NEXT: .Lmain$parent_frame_offset = 32
; X64-NEXT: .long (.Llsda_end0-.Llsda_begin0)/16 # Number of call sites
; X64-NEXT: .Llsda_begin0:
; X64-NEXT: .long .Ltmp0@IMGREL+1 # LabelStart
; X64-NEXT: .long .Ltmp1@IMGREL+1 # LabelEnd
; X64-NEXT: .long "?dtor$2@?0?main@4HA"@IMGREL # FinallyFunclet
; X64-NEXT: .long 0 # Null
; X64-NEXT: .Llsda_end0:
; X64-LABEL: "?dtor$2@?0?main@4HA":
; X64: callq puts
; X64: retq
; X86-LABEL: _main:
; X86: retl
; X86-LABEL: "?dtor$2@?0?main@4HA":
; X86: LBB0_2:
; X86: calll _puts
; X86: retl
; X86: .section .xdata,"dr"
; X86: L__ehtable$main:
; X86-NEXT: .long -1 # ToState
; X86-NEXT: .long 0 # Null
; X86-NEXT: .long "?dtor$2@?0?main@4HA" # FinallyFunclet
declare i32 @__C_specific_handler(...)
declare i32 @puts(i8*)
declare void @abort()