diff options
-rw-r--r-- | lib/Transforms/Scalar/ScalarReplAggregates.cpp | 23 | ||||
-rw-r--r-- | test/Transforms/ScalarRepl/vector_promote.ll | 6 |
2 files changed, 3 insertions, 26 deletions
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp index 86c4e59..02cbfae 100644 --- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -247,26 +247,6 @@ private: } // end anonymous namespace. -/// IsVerbotenVectorType - Return true if this is a vector type ScalarRepl isn't -/// allowed to form. We do this to avoid MMX types, which is a complete hack, -/// but is required until the backend is fixed. -static bool IsVerbotenVectorType(const VectorType *VTy, const Instruction *I) { - StringRef Triple(I->getParent()->getParent()->getParent()->getTargetTriple()); - if (!Triple.startswith("i386") && - !Triple.startswith("x86_64")) - return false; - - // Reject all the MMX vector types. - switch (VTy->getNumElements()) { - default: return false; - case 1: return VTy->getElementType()->isIntegerTy(64); - case 2: return VTy->getElementType()->isIntegerTy(32); - case 4: return VTy->getElementType()->isIntegerTy(16); - case 8: return VTy->getElementType()->isIntegerTy(8); - } -} - - /// TryConvert - Analyze the specified alloca, and if it is safe to do so, /// rewrite it to be a new alloca which is mem2reg'able. This returns the new /// alloca if possible or null if not. @@ -283,8 +263,7 @@ AllocaInst *ConvertToScalarInfo::TryConvert(AllocaInst *AI) { // we just get a lot of insert/extracts. If at least one vector is // involved, then we probably really do have a union of vector/array. const Type *NewTy; - if (VectorTy && VectorTy->isVectorTy() && HadAVector && - !IsVerbotenVectorType(cast<VectorType>(VectorTy), AI)) { + if (VectorTy && VectorTy->isVectorTy() && HadAVector) { DEBUG(dbgs() << "CONVERT TO VECTOR: " << *AI << "\n TYPE = " << *VectorTy << '\n'); NewTy = VectorTy; // Use the vector type. diff --git a/test/Transforms/ScalarRepl/vector_promote.ll b/test/Transforms/ScalarRepl/vector_promote.ll index fe55426..37cb49f 100644 --- a/test/Transforms/ScalarRepl/vector_promote.ll +++ b/test/Transforms/ScalarRepl/vector_promote.ll @@ -87,8 +87,6 @@ define i32 @test5(float %X) { ;; should turn into bitcast. } -;; should not turn into <1 x i64> - It is a banned MMX datatype. -;; rdar://8380055 define i64 @test6(<2 x float> %X) { %X_addr = alloca <2 x float> store <2 x float> %X, <2 x float>* %X_addr @@ -96,7 +94,7 @@ define i64 @test6(<2 x float> %X) { %tmp = load i64* %P ret i64 %tmp ; CHECK: @test6 -; CHECK-NEXT: bitcast <2 x float> %X to i64 -; CHECK-NEXT: ret i64 +; CHECK: bitcast <2 x float> %X to <1 x i64> +; CHECK: ret i64 } |