llvm-project/llvm/test/CodeGen/X86/seh-catch-all.ll

49 lines
1.3 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:
%p = catchpad [i8* null, i32 64, i8* null]
to label %catchall unwind label %endpad
catchall:
%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)
catchret %p to label %__try.cont
endpad:
catchendpad unwind to caller
}
; Check that we can get the exception code from eax to the printf.
; CHECK-LABEL: main:
; CHECK: callq crash
; CHECK: retq
; CHECK: .LBB0_2: # %lpad
; CHECK: leaq str(%rip), %rcx
; CHECK: movl %eax, %edx
; CHECK: callq printf
; CHECK: .seh_handlerdata
; 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: