| ; REQUIRES: x86 |
| ; RUN: opt -module-summary %s -o %t.o |
| |
| ; Test SLP and Loop Vectorization are enabled by default at O2 and O3. |
| ; RUN: ld.lld --plugin-opt=new-pass-manager --plugin-opt=debug-pass-manager --plugin-opt=O0 --plugin-opt=save-temps -shared -o %t1.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O0-SLP |
| ; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O0-LPV |
| |
| ; RUN: ld.lld --plugin-opt=new-pass-manager --plugin-opt=debug-pass-manager --plugin-opt=O1 --plugin-opt=save-temps -shared -o %t2.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O1-SLP |
| ; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O1-LPV |
| |
| ; RUN: ld.lld --plugin-opt=new-pass-manager --plugin-opt=debug-pass-manager --plugin-opt=O2 --plugin-opt=save-temps -shared -o %t3.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O2-SLP |
| ; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O2-LPV |
| |
| ; RUN: ld.lld --plugin-opt=new-pass-manager --plugin-opt=debug-pass-manager --plugin-opt=O3 --plugin-opt=save-temps -shared -o %t4.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O3-SLP |
| ; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O3-LPV |
| |
| ; CHECK-O0-SLP-NOT: Running pass: SLPVectorizerPass |
| ; CHECK-O1-SLP-NOT: Running pass: SLPVectorizerPass |
| ; CHECK-O2-SLP: Running pass: SLPVectorizerPass |
| ; CHECK-O3-SLP: Running pass: SLPVectorizerPass |
| ; CHECK-O0-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1} |
| ; CHECK-O1-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1} |
| ; CHECK-O2-LPV: = !{!"llvm.loop.isvectorized", i32 1} |
| ; CHECK-O3-LPV: = !{!"llvm.loop.isvectorized", i32 1} |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define i32 @foo(i32* %a) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %red.05 = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %0, %red.05 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 255 |
| br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 |
| |
| for.end: |
| ret i32 %add |
| } |
| |
| !0 = distinct !{!0, !1} |
| !1 = !{!"llvm.loop.unroll.disable", i1 true} |