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; RUN: llc < %s | FileCheck %s
; Test case based on this code:
; extern "C" unsigned long _exception_code();
; extern "C" int filt(unsigned long);
; extern "C" void g();
; extern "C" void do_except() {
; __try {
; g();
; } __except(filt(_exception_code())) {
; }
; }
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
; Function Attrs: uwtable
define void @do_except() #0 {
entry:
call void (...) @llvm.frameescape()
invoke void @g() #5
to label %__try.cont unwind label %lpad1
lpad1: ; preds = %entry
%ehvals = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
catch i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@do_except@@" to i8*)
%recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@do_except@@" to i8*), i32 -1, i8* blockaddress(@do_except, %__try.cont))
indirectbr i8* %recover, [label %__try.cont]
__try.cont: ; preds = %lpad1, %entry
ret void
}
; CHECK-LABEL: do_except:
; CHECK: .seh_handler __C_specific_handler
; CHECK-NOT: jmpq *
; CHECK: .seh_handlerdata
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long .Ltmp{{.*}}
; CHECK-NEXT: .long .Ltmp{{.*}}
; CHECK-NEXT: .long "?filt$0@0@do_except@@"@IMGREL
; CHECK-NEXT: .long .Ltmp{{.*}}@IMGREL
; Function Attrs: noinline nounwind
define internal i32 @"\01?filt$0@0@do_except@@"(i8* nocapture readonly %exception_pointers, i8* nocapture readnone %frame_pointer) #1 {
entry:
%0 = bitcast i8* %exception_pointers to i32**
%1 = load i32*, i32** %0, align 8
%2 = load i32, i32* %1, align 4
%call = tail call i32 @filt(i32 %2) #4
ret i32 %call
}
declare i32 @filt(i32) #2
declare void @g() #2
declare i32 @__C_specific_handler(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #3
; Function Attrs: nounwind
declare i8* @llvm.eh.actions(...) #4
; Function Attrs: nounwind
declare void @llvm.frameescape(...) #4
; Function Attrs: nounwind readnone
declare i8* @llvm.framerecover(i8*, i8*, i32) #3
attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" "wineh-parent"="do_except" }
attributes #1 = { noinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind readnone }
attributes #4 = { nounwind }
attributes #5 = { noinline }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 "}
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