Cost += C;
}
+ SmallSet<Value *, 16> ExtractCostCalculated;
int ExtractCost = 0;
for (UserList::iterator I = ExternalUses.begin(), E = ExternalUses.end();
I != E; ++I) {
+ // We only add extract cost once for the same scalar.
+ if (!ExtractCostCalculated.insert(I->Scalar))
+ continue;
VectorType *VecTy = VectorType::get(I->Scalar->getType(), BundleWidth);
ExtractCost += TTI->getVectorInstrCost(Instruction::ExtractElement, VecTy,
--- /dev/null
+; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.8.0"
+
+;CHECK-LABEL: @foo(
+;CHECK: store <4 x i32>
+;CHECK: ret
+define i32 @foo(i32* nocapture %A, i32 %n, i32 %m) {
+entry:
+ %mul = mul nsw i32 %n, 5
+ %add = add nsw i32 %mul, 9
+ store i32 %add, i32* %A, align 4
+ %mul1 = mul nsw i32 %n, 9
+ %add2 = add nsw i32 %mul1, 9
+ %arrayidx3 = getelementptr inbounds i32* %A, i64 1
+ store i32 %add2, i32* %arrayidx3, align 4
+ %mul4 = shl i32 %n, 3
+ %add5 = add nsw i32 %mul4, 9
+ %arrayidx6 = getelementptr inbounds i32* %A, i64 2
+ store i32 %add5, i32* %arrayidx6, align 4
+ %mul7 = mul nsw i32 %n, 10
+ %add8 = add nsw i32 %mul7, 9
+ %arrayidx9 = getelementptr inbounds i32* %A, i64 3
+ store i32 %add8, i32* %arrayidx9, align 4
+ %externaluse1 = add nsw i32 %add, %m
+ %externaluse2 = mul nsw i32 %add, %m ; we should add the extract cost only once and the store will be vectorized
+ %add10 = add nsw i32 %externaluse1, %externaluse2
+ ret i32 %add10
+}