forked from OSchip/llvm-project
84 lines
3.1 KiB
LLVM
84 lines
3.1 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; Test case based on this code:
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; extern "C" unsigned long _exception_code();
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; extern "C" int filt(unsigned long);
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; extern "C" void g();
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; extern "C" void do_except() {
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; __try {
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; g();
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; } __except(filt(_exception_code())) {
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; }
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; }
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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; Function Attrs: uwtable
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define void @do_except() #0 {
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entry:
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call void (...) @llvm.frameescape()
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invoke void @g() #5
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to label %__try.cont unwind label %lpad1
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lpad1: ; preds = %entry
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%ehvals = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
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catch i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@do_except@@" to i8*)
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%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))
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indirectbr i8* %recover, [label %__try.cont]
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__try.cont: ; preds = %lpad1, %entry
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ret void
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}
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; CHECK-LABEL: do_except:
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; CHECK: .seh_handler __C_specific_handler
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; CHECK-NOT: jmpq *
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; CHECK: .seh_handlerdata
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long .Ltmp{{.*}}
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; CHECK-NEXT: .long .Ltmp{{.*}}
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; CHECK-NEXT: .long "?filt$0@0@do_except@@"@IMGREL
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; CHECK-NEXT: .long .Ltmp{{.*}}@IMGREL
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; Function Attrs: noinline nounwind
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define internal i32 @"\01?filt$0@0@do_except@@"(i8* nocapture readonly %exception_pointers, i8* nocapture readnone %frame_pointer) #1 {
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entry:
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%0 = bitcast i8* %exception_pointers to i32**
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%1 = load i32*, i32** %0, align 8
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%2 = load i32, i32* %1, align 4
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%call = tail call i32 @filt(i32 %2) #4
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ret i32 %call
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}
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declare i32 @filt(i32) #2
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declare void @g() #2
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declare i32 @__C_specific_handler(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #3
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; Function Attrs: nounwind
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declare i8* @llvm.eh.actions(...) #4
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; Function Attrs: nounwind
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declare void @llvm.frameescape(...) #4
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; Function Attrs: nounwind readnone
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declare i8* @llvm.framerecover(i8*, i8*, i32) #3
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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" }
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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" }
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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" }
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attributes #3 = { nounwind readnone }
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attributes #4 = { nounwind }
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attributes #5 = { noinline }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"PIC Level", i32 2}
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!1 = !{!"clang version 3.7.0 "}
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