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