diff options
Diffstat (limited to 'lib/Transforms/IPO/DeadArgumentElimination.cpp')
| -rw-r--r-- | lib/Transforms/IPO/DeadArgumentElimination.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp index 47df235424..e8b168e457 100644 --- a/lib/Transforms/IPO/DeadArgumentElimination.cpp +++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp @@ -791,7 +791,8 @@ bool DAE::RemoveDeadStuffFromFunction(Function *F) { } else if (New->getType()->isVoidTy()) { // Our return value has uses, but they will get removed later on. // Replace by null for now. - Call->replaceAllUsesWith(Constant::getNullValue(Call->getType())); + if (!Call->getType()->isX86_MMXTy()) + Call->replaceAllUsesWith(Constant::getNullValue(Call->getType())); } else { assert(RetTy->isStructTy() && "Return type changed, but not into a void. The old return type" @@ -854,7 +855,8 @@ bool DAE::RemoveDeadStuffFromFunction(Function *F) { } else { // If this argument is dead, replace any uses of it with null constants // (these are guaranteed to become unused later on). - I->replaceAllUsesWith(Constant::getNullValue(I->getType())); + if (!I->getType()->isX86_MMXTy()) + I->replaceAllUsesWith(Constant::getNullValue(I->getType())); } // If we change the return value of the function we must rewrite any return |