1; REQUIRES: x86 2; RUN: opt -module-summary %s -o %t.o 3 4; Test SLP and Loop Vectorization are enabled by default at O2 and O3. 5; RUN: ld.lld --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 6; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O0-LPV 7 8; RUN: ld.lld --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 9; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O1-LPV 10 11; RUN: ld.lld --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 12; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O2-LPV 13 14; RUN: ld.lld --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 15; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O3-LPV 16 17; CHECK-O0-SLP-NOT: Running pass: SLPVectorizerPass 18; CHECK-O1-SLP-NOT: Running pass: SLPVectorizerPass 19; CHECK-O2-SLP: Running pass: SLPVectorizerPass 20; CHECK-O3-SLP: Running pass: SLPVectorizerPass 21; CHECK-O0-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1} 22; CHECK-O1-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1} 23; CHECK-O2-LPV: = !{!"llvm.loop.isvectorized", i32 1} 24; CHECK-O3-LPV: = !{!"llvm.loop.isvectorized", i32 1} 25 26target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 27target triple = "x86_64-unknown-linux-gnu" 28 29define i32 @foo(ptr %a) { 30entry: 31 br label %for.body 32 33for.body: 34 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 35 %red.05 = phi i32 [ 0, %entry ], [ %add, %for.body ] 36 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv 37 %0 = load i32, ptr %arrayidx, align 4 38 %add = add nsw i32 %0, %red.05 39 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 40 %exitcond = icmp eq i64 %indvars.iv.next, 255 41 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 42 43for.end: 44 ret i32 %add 45} 46 47!0 = distinct !{!0, !1} 48!1 = !{!"llvm.loop.unroll.disable", i1 true} 49