| ; 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 "} |