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Revert "Allow SROA to look at a vector type and see if the offset is out of range to be replaced with a scalar access"

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This reverts commit 51786e0aae.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pete Cooper 2012-06-13 17:55:22 +00:00
parent 51786e0aae
commit e91f926f3b
2 changed files with 7 additions and 10 deletions
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6
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@ -1764,12 +1764,6 @@ bool SROA::TypeHasComponent(Type *T, uint64_t Offset, uint64_t Size) {
if (Offset >= AT->getNumElements() * EltSize)
return false;
Offset %= EltSize;
} else if (VectorType *VT = dyn_cast<VectorType>(T)) {
EltTy = VT->getElementType();
EltSize = TD->getTypeAllocSize(EltTy);
if (Offset >= VT->getNumElements() * EltSize)
return false;
Offset %= EltSize;
} else {
return false;
}

11
test/Transforms/ScalarRepl/2011-06-08-VectorExtractValue.ll
View File

@ -10,7 +10,8 @@ target triple = "x86_64-apple-macosx10.7.0"
; CHECK: main
; CHECK-NOT: alloca
; CHECK: extractelement <2 x float> zeroinitializer, i32 0
; CHECK: %[[A:[a-z0-9]*]] = and i128
; CHECK: %[[B:[a-z0-9]*]] = trunc i128 %[[A]] to i32
define void @main() uwtable ssp {
entry:
@ -27,7 +28,8 @@ entry:
; CHECK: test1
; CHECK-NOT: alloca
; CHECK: extractelement <2 x float> zeroinitializer, i32 0
; CHECK: %[[A:[a-z0-9]*]] = and i128
; CHECK: %[[B:[a-z0-9]*]] = trunc i128 %[[A]] to i32
define void @test1() uwtable ssp {
entry:
@ -41,8 +43,9 @@ entry:
; CHECK: test2
; CHECK-NOT: alloca
; CHECK: %[[A:[a-z0-9]*]] = extractelement <2 x float> zeroinitializer, i32 0
; CHECK: fadd float %[[A]], 1.000000e+00
; CHECK: and i128
; CHECK: or i128
; CHECK: trunc i128
; CHECK-NOT: insertelement
; CHECK-NOT: extractelement