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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 < %s | FileCheck %s
define <2 x float> @foo() {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SOURCE:%.*]] = insertelement <2 x float> undef, float undef, i32 0
; CHECK-NEXT: [[TMP0:%.*]] = fsub <2 x float> [[SOURCE]], [[SOURCE]]
; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x float> [[TMP0]], i32 0
; CHECK-NEXT: [[RES1:%.*]] = insertelement <2 x float> undef, float [[TMP1]], i32 0
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x float> [[TMP0]], i32 1
; CHECK-NEXT: [[RES2:%.*]] = insertelement <2 x float> [[RES1]], float [[TMP2]], i32 1
; CHECK-NEXT: ret <2 x float> [[RES2]]
;
entry:
%source = insertelement <2 x float> undef, float undef, i32 0
%e0 = extractelement <2 x float> %source, i32 0
%e0.dup = extractelement <2 x float> %source, i32 0
%sub1 = fsub float %e0, %e0.dup
%e1 = extractelement <2 x float> %source, i32 1
%e1.dup = extractelement <2 x float> %source, i32 1
%sub2 = fsub float %e1, %e1.dup
%res1 = insertelement <2 x float> undef, float %sub1, i32 0
%res2 = insertelement <2 x float> %res1, float %sub2, i32 1
ret <2 x float> %res2
}
!llvm.ident = !{!0, !0}
!0 = !{!"clang version 4.0.0 "}
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