1; RUN: opt -module-summary %s -o %t.o
2
3; Test SLP and Loop Vectorization are enabled by default at O2 and O3.
4; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
5; RUN:     --plugin-opt=thinlto \
6; RUN:     --plugin-opt=new-pass-manager \
7; RUN:     --plugin-opt=debug-pass-manager \
8; RUN:     --plugin-opt=cache-dir=%t.cache \
9; RUN:     --plugin-opt=O0 \
10; RUN:     --plugin-opt=save-temps \
11; RUN:     -shared \
12; RUN:     -o %t2.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O0-SLP
13; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O0-LPV
14
15; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
16; RUN:     --plugin-opt=thinlto \
17; RUN:     --plugin-opt=new-pass-manager \
18; RUN:     --plugin-opt=debug-pass-manager \
19; RUN:     --plugin-opt=cache-dir=%t.cache \
20; RUN:     --plugin-opt=O1 \
21; RUN:     --plugin-opt=save-temps \
22; RUN:     -shared \
23; RUN:     -o %t3.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O1-SLP
24; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O1-LPV
25
26; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
27; RUN:     --plugin-opt=thinlto \
28; RUN:     --plugin-opt=new-pass-manager \
29; RUN:     --plugin-opt=debug-pass-manager \
30; RUN:     --plugin-opt=cache-dir=%t.cache \
31; RUN:     --plugin-opt=O2 \
32; RUN:     --plugin-opt=save-temps \
33; RUN:     -shared \
34; RUN:     -o %t4.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O2-SLP
35; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O2-LPV
36
37; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
38; RUN:     --plugin-opt=thinlto \
39; RUN:     --plugin-opt=new-pass-manager \
40; RUN:     --plugin-opt=debug-pass-manager \
41; RUN:     --plugin-opt=cache-dir=%t.cache \
42; RUN:     --plugin-opt=O3 \
43; RUN:     --plugin-opt=save-temps \
44; RUN:     -shared \
45; RUN:     -o %t5.o %t.o 2>&1 | FileCheck %s --check-prefix=CHECK-O3-SLP
46; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-O3-LPV
47
48; CHECK-O0-SLP-NOT: Running pass: SLPVectorizerPass
49; CHECK-O1-SLP-NOT: Running pass: SLPVectorizerPass
50; CHECK-O2-SLP: Running pass: SLPVectorizerPass
51; CHECK-O3-SLP: Running pass: SLPVectorizerPass
52; CHECK-O0-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1}
53; CHECK-O1-LPV-NOT: = !{!"llvm.loop.isvectorized", i32 1}
54; CHECK-O2-LPV: = !{!"llvm.loop.isvectorized", i32 1}
55; CHECK-O3-LPV: = !{!"llvm.loop.isvectorized", i32 1}
56
57target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
58target triple = "x86_64-unknown-linux-gnu"
59
60define i32 @foo(i32* %a) {
61entry:
62  br label %for.body
63
64for.body:
65  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
66  %red.05 = phi i32 [ 0, %entry ], [ %add, %for.body ]
67  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
68  %0 = load i32, i32* %arrayidx, align 4
69  %add = add nsw i32 %0, %red.05
70  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
71  %exitcond = icmp eq i64 %indvars.iv.next, 255
72  br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
73
74for.end:
75  ret i32 %add
76}
77
78!0 = distinct !{!0, !1}
79!1 = !{!"llvm.loop.unroll.disable", i1 true}
80