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| author | David Majnemer <david.majnemer@gmail.com> | 2016-01-04 17:42:19 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2016-01-04 17:42:19 +0000 |
| commit | 219055f9df43fbb69083084aef1750317eafe87e (patch) | |
| tree | e45e1076b1d45d8972153d4a6323d38e955da51b /llvm/test | |
| parent | 9d6940ba096ac9ce964c4996a1c26562d2d5893e (diff) | |
| download | bcm5719-llvm-219055f9df43fbb69083084aef1750317eafe87e.tar.gz bcm5719-llvm-219055f9df43fbb69083084aef1750317eafe87e.zip | |
[LICM] Don't insert instructions after a catchswitch when performing loop promotion
Inserting after a catchswitch results in verifier errors, bail out on
promotion if a catchswitch is a loop exit.
llvm-svn: 256763
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/LICM/funclet.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LICM/funclet.ll b/llvm/test/Transforms/LICM/funclet.ll index 4052ef7c4d7..10001526ffc 100644 --- a/llvm/test/Transforms/LICM/funclet.ll +++ b/llvm/test/Transforms/LICM/funclet.ll @@ -60,6 +60,42 @@ try.cont: ; preds = %catch, %while.cond ; CHECK-NEXT: store i32 %[[CALL]], i32* %s ; CHECK-NEXT: cleanupret from %[[CP]] unwind to caller +define void @test3(i1 %a, i1 %b, i1 %c) personality i32 (...)* @__CxxFrameHandler3 { +entry: + %.frame = alloca i8, align 4 + %bc = bitcast i8* %.frame to i32* + br i1 %a, label %try.success.or.caught, label %forbody + +catch.object.Throwable: ; preds = %catch.dispatch + %cp = catchpad within %cs [i8* null, i32 64, i8* null] + unreachable + +try.success.or.caught: ; preds = %forcond.backedge, %0 + ret void + +postinvoke: ; preds = %forbody + br i1 %b, label %else, label %forcond.backedge + +forcond.backedge: ; preds = %else, %postinvoke + br i1 %c, label %try.success.or.caught, label %forbody + +catch.dispatch: ; preds = %else, %forbody + %cs = catchswitch within none [label %catch.object.Throwable] unwind to caller + +forbody: ; preds = %forcond.backedge, %0 + store i32 1, i32* %bc, align 4 + invoke void @may_throw() + to label %postinvoke unwind label %catch.dispatch + +else: ; preds = %postinvoke + invoke void @may_throw() + to label %forcond.backedge unwind label %catch.dispatch +} + +; CHECK-LABEL: define void @test3( +; CHECK: catchswitch within none +; CHECK: store i32 1, i32* %bc, align 4 + declare void @may_throw() declare i32 @pure_computation() nounwind argmemonly readonly |
