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-rw-r--r--lib/Transforms/Scalar/ScalarReplAggregates.cpp23
-rw-r--r--test/Transforms/ScalarRepl/vector_promote.ll6
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
}