1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: %if x86-registered-target %{ opt -passes=slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s %} 3; RUN: %if aarch64-registered-target %{ opt -passes=slp-vectorizer -S -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s %} 4 5define <2 x float> @foo() { 6; CHECK-LABEL: @foo( 7; CHECK-NEXT: entry: 8; CHECK-NEXT: [[SOURCE:%.*]] = insertelement <2 x float> undef, float undef, i32 0 9; CHECK-NEXT: [[TMP0:%.*]] = fsub <2 x float> [[SOURCE]], [[SOURCE]] 10; CHECK-NEXT: ret <2 x float> [[TMP0]] 11; 12entry: 13 %source = insertelement <2 x float> undef, float undef, i32 0 14 %e0 = extractelement <2 x float> %source, i32 0 15 %e0.dup = extractelement <2 x float> %source, i32 0 16 %sub1 = fsub float %e0, %e0.dup 17 %e1 = extractelement <2 x float> %source, i32 1 18 %e1.dup = extractelement <2 x float> %source, i32 1 19 %sub2 = fsub float %e1, %e1.dup 20 %res1 = insertelement <2 x float> undef, float %sub1, i32 0 21 %res2 = insertelement <2 x float> %res1, float %sub2, i32 1 22 ret <2 x float> %res2 23} 24 25!llvm.ident = !{!0, !0} 26 27!0 = !{!"clang version 4.0.0 "} 28