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| author | Bill Wendling <isanbard@gmail.com> | 2011-07-27 20:18:04 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-07-27 20:18:04 +0000 |
| commit | 772fe17a6d07304ae2e6b3052bbb24ebb751f0f3 (patch) | |
| tree | 650bbc3bc584177420dee94b9fdb338ca8109bb9 /test/Feature | |
| parent | 7e1547ebf726a40e7ed3dbe89a77e1b946a8e2d0 (diff) | |
Merge the contents from exception-handling-rewrite to the mainline.
This adds the new instructions 'landingpad' and 'resume'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136253 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Feature')
| -rw-r--r-- | test/Feature/exceptionhandling.ll | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/Feature/exceptionhandling.ll b/test/Feature/exceptionhandling.ll new file mode 100644 index 0000000000..aa30f30743 --- /dev/null +++ b/test/Feature/exceptionhandling.ll @@ -0,0 +1,54 @@ +; RUN: llvm-as < %s | llvm-dis > %t1.ll +; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll +; RUN: diff %t1.ll %t2.ll + +@_ZTIc = external constant i8* +@_ZTId = external constant i8* +@_ZTIPKc = external constant i8* +@.str = private unnamed_addr constant [16 x i8] c"caught char %c\0A\00", align 1 + +define void @_Z3barv() uwtable optsize alwaysinline ssp { +entry: + invoke void @_Z3quxv() optsize + to label %try.cont unwind label %lpad + +invoke.cont4: ; preds = %lpad + %eh.obj = extractvalue {i8*, i32} %exn, 0 + %tmp0 = tail call i8* @__cxa_begin_catch(i8* %eh.obj) nounwind + %exn.scalar = load i8* %tmp0, align 1 + %conv = sext i8 %exn.scalar to i32 + %call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([16 x i8]* @.str, i64 0, i64 0), i32 %conv) optsize + tail call void @__cxa_end_catch() nounwind + br label %try.cont + +try.cont: ; preds = %entry, %invoke.cont4 + ret void + +lpad: ; preds = %entry + %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 + cleanup + catch i8** @_ZTIc + filter i8** @_ZTIPKc + catch i8** @_ZTId + %tmp1 = extractvalue {i8*, i32} %exn, 1 + %tmp2 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIc to i8*)) nounwind + %tmp3 = icmp eq i32 %tmp1, %tmp2 + br i1 %tmp3, label %invoke.cont4, label %eh.resume + +eh.resume: + resume { i8*, i32 } %exn +} + +declare void @_Z3quxv() optsize + +declare i32 @__gxx_personality_v0(...) + +declare i32 @llvm.eh.typeid.for(i8*) nounwind + +declare void @llvm.eh.resume(i8*, i32) + +declare i8* @__cxa_begin_catch(i8*) + +declare i32 @printf(i8* nocapture, ...) nounwind optsize + +declare void @__cxa_end_catch() |