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deepen my MMX/SRoA hack to avoid hurting non-x86 codegen.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112763 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-09-01 23:09:27 +00:00
parent 4783a3ee13
commit 72eaa0e5eb
2 changed files with 9 additions and 2 deletions
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10
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@ -28,6 +28,7 @@
#include "llvm/Instructions.h" #include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h" #include "llvm/IntrinsicInst.h"
#include "llvm/LLVMContext.h" #include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Pass.h" #include "llvm/Pass.h"
#include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/Dominators.h"
#include "llvm/Target/TargetData.h" #include "llvm/Target/TargetData.h"
@ -197,7 +198,12 @@ private:
/// IsVerbotenVectorType - Return true if this is a vector type ScalarRepl isn't /// 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, /// allowed to form. We do this to avoid MMX types, which is a complete hack,
/// but is required until the backend is fixed. /// but is required until the backend is fixed.
static bool IsVerbotenVectorType(const VectorType *VTy) { 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. // Reject all the MMX vector types.
switch (VTy->getNumElements()) { switch (VTy->getNumElements()) {
default: return false; default: return false;
@ -226,7 +232,7 @@ AllocaInst *ConvertToScalarInfo::TryConvert(AllocaInst *AI) {
// involved, then we probably really do have a union of vector/array. // involved, then we probably really do have a union of vector/array.
const Type *NewTy; const Type *NewTy;
if (VectorTy && VectorTy->isVectorTy() && HadAVector && if (VectorTy && VectorTy->isVectorTy() && HadAVector &&
!IsVerbotenVectorType(cast<VectorType>(VectorTy))) { !IsVerbotenVectorType(cast<VectorType>(VectorTy), AI)) {
DEBUG(dbgs() << "CONVERT TO VECTOR: " << *AI << "\n TYPE = " DEBUG(dbgs() << "CONVERT TO VECTOR: " << *AI << "\n TYPE = "
<< *VectorTy << '\n'); << *VectorTy << '\n');
NewTy = VectorTy; // Use the vector type. NewTy = VectorTy; // Use the vector type.

1
test/Transforms/ScalarRepl/vector_promote.ll
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@ -1,5 +1,6 @@
; RUN: opt < %s -scalarrepl -S | FileCheck %s ; RUN: opt < %s -scalarrepl -S | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64" target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "x86_64-apple-darwin10.0.0"
define void @test1(<4 x float>* %F, float %f) { define void @test1(<4 x float>* %F, float %f) {
entry: entry: