Do not sink getresult.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50600 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index d7a5f7be5c5a5964c53544db8839cd3d1e045d4c..6b1da0d25656ad071a4827516ce04b756f369f50 100644 (file)
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -11389,7 +11389,9 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) {
     }
 
     // See if we can trivially sink this instruction to a successor basic block.
-    if (I->hasOneUse()) {
+    // FIXME: Remove GetREsultInst test when first class support for aggregates is
+    // implemented.
+    if (I->hasOneUse() && !isa<GetResultInst>(I)) {
       BasicBlock *BB = I->getParent();
       BasicBlock *UserParent = cast<Instruction>(I->use_back())->getParent();
       if (UserParent != BB) {