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08f721d1de
Although targeting CoreCLR is similar to targeting MSVC, there are certain important differences that the backend must be aware of (e.g. differences in stack probes, EH, and library calls). Differential Revision: http://reviews.llvm.org/D11012 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245115 91177308-0d34-0410-b5e6-96231b3b80d8
84 lines
3.1 KiB
LLVM
84 lines
3.1 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-windows-msvc < %s | FileCheck %s
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; RUN: llc -mtriple=x86_64-pc-windows-coreclr < %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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; Function Attrs: uwtable
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define void @do_except() #0 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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call void (...) @llvm.localescape()
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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 }
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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.localescape(...) #4
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; Function Attrs: nounwind readnone
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declare i8* @llvm.localrecover(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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