1; RUN: opt < %s -S -inline -inline-threshold=2 | FileCheck %s
2; RUN: opt < %s -S -strip-debug -inline -inline-threshold=2 | FileCheck %s
3; RUN: opt < %s -S -passes='cgscc(inline)' -inline-threshold=2 | FileCheck %s
4; RUN: opt < %s -S -strip-debug -passes='cgscc(inline)' -inline-threshold=2 | FileCheck %s
5;
6; The purpose of this test is to check that debug info doesn't influence
7; inlining decisions.
8
9target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
10target triple = "x86_64-unknown-linux-gnu"
11
12declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
13declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
14
15define <4 x float> @inner_vectors(<4 x float> %a, <4 x float> %b) {
16entry:
17  call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !DILocalVariable(scope: !6), metadata !DIExpression()), !dbg !DILocation(scope: !6)
18  %mul = fmul <4 x float> %a, <float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00>
19  call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !DILocalVariable(scope: !6), metadata !DIExpression()), !dbg !DILocation(scope: !6)
20  %mul1 = fmul <4 x float> %b, <float 5.000000e+00, float 5.000000e+00, float 5.000000e+00, float 5.000000e+00>
21  call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !DILocalVariable(scope: !6), metadata !DIExpression()), !dbg !DILocation(scope: !6)
22  %add = fadd <4 x float> %mul, %mul1
23  ret <4 x float> %add
24}
25
26define float @outer_vectors(<4 x float> %a, <4 x float> %b) {
27; CHECK-LABEL: @outer_vectors(
28; CHECK-NOT: call <4 x float> @inner_vectors(
29; CHECK: ret float
30
31entry:
32  call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !DILocalVariable(scope: !6), metadata !DIExpression()), !dbg !DILocation(scope: !6)
33  call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !DILocalVariable(scope: !6), metadata !DIExpression()), !dbg !DILocation(scope: !6)
34  %call = call <4 x float> @inner_vectors(<4 x float> %a, <4 x float> %b)
35  call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !DILocalVariable(scope: !6), metadata !DIExpression()), !dbg !DILocation(scope: !6)
36  %vecext = extractelement <4 x float> %call, i32 0
37  %vecext1 = extractelement <4 x float> %call, i32 1
38  %add = fadd float %vecext, %vecext1
39  %vecext2 = extractelement <4 x float> %call, i32 2
40  %add3 = fadd float %add, %vecext2
41  %vecext4 = extractelement <4 x float> %call, i32 3
42  %add5 = fadd float %add3, %vecext4
43  ret float %add5
44}
45
46attributes #0 = { nounwind readnone }
47
48!llvm.dbg.cu = !{!0}
49!llvm.module.flags = !{!3, !4}
50!llvm.ident = !{!5}
51
52!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
53!1 = !DIFile(filename: "test.c", directory: "")
54!2 = !{}
55!3 = !{i32 2, !"Dwarf Version", i32 4}
56!4 = !{i32 1, !"Debug Info Version", i32 3}
57!5 = !{!""}
58!6 = distinct !DISubprogram(unit: !0)
59