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Diffstat (limited to 'test/CodeGen/X86/cppeh-catch-all.ll')
-rw-r--r-- | test/CodeGen/X86/cppeh-catch-all.ll | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/CodeGen/X86/cppeh-catch-all.ll b/test/CodeGen/X86/cppeh-catch-all.ll new file mode 100644 index 0000000..7a12b24 --- /dev/null +++ b/test/CodeGen/X86/cppeh-catch-all.ll @@ -0,0 +1,83 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is based on the following code: +; +; void test() +; { +; try { +; may_throw(); +; } catch (...) { +; handle_exception(); +; } +; } +; +; Parts of the IR have been hand-edited to simplify the test case. +; The full IR will be restored when Windows C++ EH support is complete. + +; ModuleID = 'catch-all.cpp' +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" + +; Function Attrs: uwtable +define void @_Z4testv() #0 { +entry: + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + invoke void @_Z9may_throwv() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %entry + br label %try.cont + +lpad: ; preds = %entry + %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* null + %1 = extractvalue { i8*, i32 } %0, 0 + store i8* %1, i8** %exn.slot + %2 = extractvalue { i8*, i32 } %0, 1 + store i32 %2, i32* %ehselector.slot + br label %catch + +catch: ; preds = %lpad + %exn = load i8** %exn.slot + %3 = call i8* @llvm.eh.begincatch(i8* %exn) #3 + call void @_Z16handle_exceptionv() + br label %invoke.cont2 + +invoke.cont2: ; preds = %catch + call void @llvm.eh.endcatch() + br label %try.cont + +try.cont: ; preds = %invoke.cont2, %invoke.cont + ret void +} + +; CHECK: define i8* @_Z4testv.catch(i8*, i8*) { +; CHECK: catch.entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* +; CHECK: %eh.obj.ptr = getelementptr inbounds %struct._Z4testv.ehdata* %eh.data, i32 0, i32 1 +; CHECK: %eh.obj = load i8** %eh.obj.ptr +; CHECK: call void @_Z16handle_exceptionv() +; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) +; CHECK: } + +declare void @_Z9may_throwv() #1 + +declare i32 @__CxxFrameHandler3(...) + +declare i8* @llvm.eh.begincatch(i8*) + +declare void @_Z16handle_exceptionv() #1 + +declare void @llvm.eh.endcatch() + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #2 = { noinline noreturn nounwind } +attributes #3 = { nounwind } +attributes #4 = { noreturn nounwind } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 3.7.0 (trunk 226027)"} |