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authorSanjoy Das <sanjoy@playingwithpointers.com>2015-12-08 23:16:52 +0000
committerSanjoy Das <sanjoy@playingwithpointers.com>2015-12-08 23:16:52 +0000
commit48945cdc159e47349b28157375960a11809c117d (patch)
treec0001b43e838fe1311a762f68c1d883e8c5e0c18
parente6ccd7b66a55363bbc57a7efcff1c514081a6269 (diff)
downloadbcm5719-llvm-48945cdc159e47349b28157375960a11809c117d.tar.gz
bcm5719-llvm-48945cdc159e47349b28157375960a11809c117d.zip
[OperandBundles] Have PruneEH work correct with operand bundles.
For an invoke with operand bundles, the [op_begin(), op_end()-3] range can contain things other than invoke arguments. This change teaches PruneEH to use arg_begin() and arg_end() explicitly. llvm-svn: 255073
-rw-r--r--llvm/lib/Transforms/IPO/PruneEH.cpp9
-rw-r--r--llvm/test/Transforms/PruneEH/operand-bundles.ll26
2 files changed, 33 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/PruneEH.cpp b/llvm/lib/Transforms/IPO/PruneEH.cpp
index 714e1d6e42d..c9c0b197eae 100644
--- a/llvm/lib/Transforms/IPO/PruneEH.cpp
+++ b/llvm/lib/Transforms/IPO/PruneEH.cpp
@@ -191,9 +191,14 @@ bool PruneEH::SimplifyFunction(Function *F) {
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
if (InvokeInst *II = dyn_cast<InvokeInst>(BB->getTerminator()))
if (II->doesNotThrow() && canSimplifyInvokeNoUnwind(F)) {
- SmallVector<Value*, 8> Args(II->op_begin(), II->op_end() - 3);
+ CallSite CS(II);
+ SmallVector<Value*, 8> Args(CS.arg_begin(), CS.arg_end());
+ SmallVector<OperandBundleDef, 1> OpBundles;
+ II->getOperandBundlesAsDefs(OpBundles);
+
// Insert a call instruction before the invoke.
- CallInst *Call = CallInst::Create(II->getCalledValue(), Args, "", II);
+ CallInst *Call = CallInst::Create(II->getCalledValue(), Args, OpBundles,
+ "", II);
Call->takeName(II);
Call->setCallingConv(II->getCallingConv());
Call->setAttributes(II->getAttributes());
diff --git a/llvm/test/Transforms/PruneEH/operand-bundles.ll b/llvm/test/Transforms/PruneEH/operand-bundles.ll
new file mode 100644
index 00000000000..efe8f62a8fb
--- /dev/null
+++ b/llvm/test/Transforms/PruneEH/operand-bundles.ll
@@ -0,0 +1,26 @@
+; RUN: opt < %s -prune-eh -S | FileCheck %s
+
+declare void @nounwind() nounwind
+
+define internal void @foo() {
+ call void @nounwind()
+ ret void
+}
+
+define i32 @caller() personality i32 (...)* @__gxx_personality_v0 {
+; CHECK-LABEL: @caller(
+; CHECK-NOT: invoke
+; CHECK: call void @foo() [ "foo"(i32 0, i8 1) ]
+ invoke void @foo() [ "foo"(i32 0, i8 1) ]
+ to label %Normal unwind label %Except
+
+Normal: ; preds = %0
+ ret i32 0
+
+Except: ; preds = %0
+ landingpad { i8*, i32 }
+ catch i8* null
+ ret i32 1
+}
+
+declare i32 @__gxx_personality_v0(...)
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