; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -S -mtriple=x86_64-unknown -mattr=+avx -slp-vectorizer | FileCheck %s ;void jumble (int * restrict A, int * restrict B) { ; int tmp0 = A[10]*A[0]; ; int tmp1 = A[11]*A[1]; ; int tmp2 = A[12]*A[3]; ; int tmp3 = A[13]*A[2]; ; B[0] = tmp0; ; B[1] = tmp1; ; B[2] = tmp2; ; B[3] = tmp3; ;} ; Function Attrs: norecurse nounwind uwtable define void @jumble1(i32* noalias nocapture readonly %A, i32* noalias nocapture %B) { ; CHECK-LABEL: @jumble1( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 10 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ARRAYIDX]] to <4 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[A]] to <4 x i32>* ; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP2]], align 4 ; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <4 x i32> [[TMP3]], <4 x i32> poison, <4 x i32> <i32 0, i32 1, i32 3, i32 2> ; CHECK-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[TMP1]], [[SHUFFLE]] ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[B:%.*]] to <4 x i32>* ; CHECK-NEXT: store <4 x i32> [[TMP4]], <4 x i32>* [[TMP5]], align 4 ; CHECK-NEXT: ret void ; entry: %arrayidx = getelementptr inbounds i32, i32* %A, i64 10 %0 = load i32, i32* %arrayidx, align 4 %1 = load i32, i32* %A, align 4 %mul = mul nsw i32 %0, %1 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 11 %2 = load i32, i32* %arrayidx2, align 4 %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 1 %3 = load i32, i32* %arrayidx3, align 4 %mul4 = mul nsw i32 %2, %3 %arrayidx5 = getelementptr inbounds i32, i32* %A, i64 12 %4 = load i32, i32* %arrayidx5, align 4 %arrayidx6 = getelementptr inbounds i32, i32* %A, i64 3 %5 = load i32, i32* %arrayidx6, align 4 %mul7 = mul nsw i32 %4, %5 %arrayidx8 = getelementptr inbounds i32, i32* %A, i64 13 %6 = load i32, i32* %arrayidx8, align 4 %arrayidx9 = getelementptr inbounds i32, i32* %A, i64 2 %7 = load i32, i32* %arrayidx9, align 4 %mul10 = mul nsw i32 %6, %7 store i32 %mul, i32* %B, align 4 %arrayidx12 = getelementptr inbounds i32, i32* %B, i64 1 store i32 %mul4, i32* %arrayidx12, align 4 %arrayidx13 = getelementptr inbounds i32, i32* %B, i64 2 store i32 %mul7, i32* %arrayidx13, align 4 %arrayidx14 = getelementptr inbounds i32, i32* %B, i64 3 store i32 %mul10, i32* %arrayidx14, align 4 ret void } ;Reversing the operand of MUL ; Function Attrs: norecurse nounwind uwtable define void @jumble2(i32* noalias nocapture readonly %A, i32* noalias nocapture %B) { ; CHECK-LABEL: @jumble2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 10 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ARRAYIDX]] to <4 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[A]] to <4 x i32>* ; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP2]], align 4 ; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <4 x i32> [[TMP3]], <4 x i32> poison, <4 x i32> <i32 0, i32 1, i32 3, i32 2> ; CHECK-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[SHUFFLE]], [[TMP1]] ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[B:%.*]] to <4 x i32>* ; CHECK-NEXT: store <4 x i32> [[TMP4]], <4 x i32>* [[TMP5]], align 4 ; CHECK-NEXT: ret void ; entry: %arrayidx = getelementptr inbounds i32, i32* %A, i64 10 %0 = load i32, i32* %arrayidx, align 4 %1 = load i32, i32* %A, align 4 %mul = mul nsw i32 %1, %0 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 11 %2 = load i32, i32* %arrayidx2, align 4 %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 1 %3 = load i32, i32* %arrayidx3, align 4 %mul4 = mul nsw i32 %3, %2 %arrayidx5 = getelementptr inbounds i32, i32* %A, i64 12 %4 = load i32, i32* %arrayidx5, align 4 %arrayidx6 = getelementptr inbounds i32, i32* %A, i64 3 %5 = load i32, i32* %arrayidx6, align 4 %mul7 = mul nsw i32 %5, %4 %arrayidx8 = getelementptr inbounds i32, i32* %A, i64 13 %6 = load i32, i32* %arrayidx8, align 4 %arrayidx9 = getelementptr inbounds i32, i32* %A, i64 2 %7 = load i32, i32* %arrayidx9, align 4 %mul10 = mul nsw i32 %7, %6 store i32 %mul, i32* %B, align 4 %arrayidx12 = getelementptr inbounds i32, i32* %B, i64 1 store i32 %mul4, i32* %arrayidx12, align 4 %arrayidx13 = getelementptr inbounds i32, i32* %B, i64 2 store i32 %mul7, i32* %arrayidx13, align 4 %arrayidx14 = getelementptr inbounds i32, i32* %B, i64 3 store i32 %mul10, i32* %arrayidx14, align 4 ret void }