mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-22 12:33:33 +02:00
58fdd5df47
It adjusts from RSP-after-prologue to RBP, which is what SEH filters need to do before they can use llvm.localrecover. Fixes SEH filter captures, which were broken in r250088. Issue reported by Alex Crichton. llvm-svn: 255707
47 lines
1.4 KiB
LLVM
47 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s
|
|
|
|
@str = linkonce_odr unnamed_addr constant [27 x i8] c"GetExceptionCode(): 0x%lx\0A\00", align 1
|
|
|
|
declare i32 @llvm.eh.exceptioncode(token)
|
|
declare i32 @__C_specific_handler(...)
|
|
declare void @crash()
|
|
declare i32 @printf(i8* nocapture readonly, ...) nounwind
|
|
|
|
define i32 @main() personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
|
|
entry:
|
|
invoke void @crash()
|
|
to label %__try.cont unwind label %lpad
|
|
|
|
__try.cont:
|
|
ret i32 0
|
|
|
|
lpad:
|
|
%cs1 = catchswitch within none [label %catchall] unwind to caller
|
|
|
|
catchall:
|
|
%p = catchpad within %cs1 [i8* null, i32 64, i8* null]
|
|
%code = call i32 @llvm.eh.exceptioncode(token %p)
|
|
call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @str, i64 0, i64 0), i32 %code) [ "funclet"(token %p) ]
|
|
catchret from %p to label %__try.cont
|
|
}
|
|
|
|
; Check that we can get the exception code from eax to the printf.
|
|
|
|
; CHECK-LABEL: main:
|
|
; CHECK: callq crash
|
|
; CHECK: retq
|
|
; CHECK: .LBB0_2: # %catchall
|
|
; CHECK: leaq str(%rip), %rcx
|
|
; CHECK: movl %eax, %edx
|
|
; CHECK: callq printf
|
|
|
|
; CHECK: .seh_handlerdata
|
|
; CHECK-NEXT: .Lmain$parent_frame_offset
|
|
; CHECK-NEXT: .long (.Llsda_end0-.Llsda_begin0)/16
|
|
; CHECK-NEXT: .Llsda_begin0:
|
|
; CHECK-NEXT: .long .Ltmp{{[0-9]+}}@IMGREL
|
|
; CHECK-NEXT: .long .Ltmp{{[0-9]+}}@IMGREL+1
|
|
; CHECK-NEXT: .long 1
|
|
; CHECK-NEXT: .long .LBB0_2@IMGREL
|
|
; CHECK-NEXT: .Llsda_end0:
|