slp-throttle.ll
1.76 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 < %s | FileCheck %s
define dso_local void @rftbsub(double* %a) local_unnamed_addr #0 {
; CHECK-LABEL: @rftbsub(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds double, double* [[A:%.*]], i64 2
; CHECK-NEXT: [[TMP0:%.*]] = load double, double* [[ARRAYIDX6]], align 8
; CHECK-NEXT: [[TMP1:%.*]] = or i64 2, 1
; CHECK-NEXT: [[ARRAYIDX12:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[TMP1]]
; CHECK-NEXT: [[TMP2:%.*]] = load double, double* [[ARRAYIDX12]], align 8
; CHECK-NEXT: [[ADD16:%.*]] = fadd double [[TMP2]], undef
; CHECK-NEXT: [[MUL18:%.*]] = fmul double undef, [[ADD16]]
; CHECK-NEXT: [[ADD19:%.*]] = fadd double undef, [[MUL18]]
; CHECK-NEXT: [[SUB22:%.*]] = fsub double undef, undef
; CHECK-NEXT: [[SUB25:%.*]] = fsub double [[TMP0]], [[ADD19]]
; CHECK-NEXT: store double [[SUB25]], double* [[ARRAYIDX6]], align 8
; CHECK-NEXT: [[SUB29:%.*]] = fsub double [[TMP2]], [[SUB22]]
; CHECK-NEXT: store double [[SUB29]], double* [[ARRAYIDX12]], align 8
; CHECK-NEXT: unreachable
;
entry:
%arrayidx6 = getelementptr inbounds double, double* %a, i64 2
%0 = load double, double* %arrayidx6, align 8
%1 = or i64 2, 1
%arrayidx12 = getelementptr inbounds double, double* %a, i64 %1
%2 = load double, double* %arrayidx12, align 8
%add16 = fadd double %2, undef
%mul18 = fmul double undef, %add16
%add19 = fadd double undef, %mul18
%sub22 = fsub double undef, undef
%sub25 = fsub double %0, %add19
store double %sub25, double* %arrayidx6, align 8
%sub29 = fsub double %2, %sub22
store double %sub29, double* %arrayidx12, align 8
unreachable
}