1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 < %s | FileCheck %s
4 define dso_local void @rftbsub(double* %a) local_unnamed_addr #0 {
5 ; CHECK-LABEL: @rftbsub(
7 ; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds double, double* [[A:%.*]], i64 2
8 ; CHECK-NEXT: [[TMP0:%.*]] = load double, double* [[ARRAYIDX6]], align 8
9 ; CHECK-NEXT: [[TMP1:%.*]] = or i64 2, 1
10 ; CHECK-NEXT: [[ARRAYIDX12:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[TMP1]]
11 ; CHECK-NEXT: [[TMP2:%.*]] = load double, double* [[ARRAYIDX12]], align 8
12 ; CHECK-NEXT: [[ADD16:%.*]] = fadd double [[TMP2]], undef
13 ; CHECK-NEXT: [[MUL18:%.*]] = fmul double undef, [[ADD16]]
14 ; CHECK-NEXT: [[ADD19:%.*]] = fadd double undef, [[MUL18]]
15 ; CHECK-NEXT: [[SUB22:%.*]] = fsub double undef, undef
16 ; CHECK-NEXT: [[SUB25:%.*]] = fsub double [[TMP0]], [[ADD19]]
17 ; CHECK-NEXT: store double [[SUB25]], double* [[ARRAYIDX6]], align 8
18 ; CHECK-NEXT: [[SUB29:%.*]] = fsub double [[TMP2]], [[SUB22]]
19 ; CHECK-NEXT: store double [[SUB29]], double* [[ARRAYIDX12]], align 8
20 ; CHECK-NEXT: unreachable
23 %arrayidx6 = getelementptr inbounds double, double* %a, i64 2
24 %0 = load double, double* %arrayidx6, align 8
26 %arrayidx12 = getelementptr inbounds double, double* %a, i64 %1
27 %2 = load double, double* %arrayidx12, align 8
28 %add16 = fadd double %2, undef
29 %mul18 = fmul double undef, %add16
30 %add19 = fadd double undef, %mul18
31 %sub22 = fsub double undef, undef
32 %sub25 = fsub double %0, %add19
33 store double %sub25, double* %arrayidx6, align 8
34 %sub29 = fsub double %2, %sub22
35 store double %sub29, double* %arrayidx12, align 8