forked from OSchip/llvm-project
109 lines
4.4 KiB
LLVM
109 lines
4.4 KiB
LLVM
; RUN: llc -simplify-mir -stop-after=machine-sink < %s -o - | FileCheck %s
|
|
|
|
; ModuleID = 'test-sink-debug.cpp'
|
|
source_filename = "test-sink-debug.cpp"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; double foo(double x, double y, bool c) {
|
|
; double a = x / 3.0;
|
|
; double b = y / 5.0;
|
|
; double ret;
|
|
;
|
|
; if (c)
|
|
; ret = a + 1.0;
|
|
; else
|
|
; ret = b + 1.0;
|
|
;
|
|
; ret = ret + 1.0;
|
|
;
|
|
; return ret;
|
|
; }
|
|
; CHECK: fdiv {{.*}} !dbg [[NO:![0-9]+]]
|
|
; CHECK: fadd {{.*}} !dbg [[YES:![0-9]+]]
|
|
; CHECK: fdiv {{.*}} !dbg [[TAG:![0-9]+]]
|
|
|
|
; Function Attrs: nounwind readnone uwtable
|
|
define double @_Z3fooddb(double %x, double %y, i1 zeroext %c) local_unnamed_addr !dbg !7 {
|
|
tail call void @llvm.dbg.value(metadata double %x, metadata !13, metadata !DIExpression()), !dbg !16
|
|
tail call void @llvm.dbg.value(metadata double %y, metadata !14, metadata !DIExpression()), !dbg !16
|
|
tail call void @llvm.dbg.value(metadata i1 %c, metadata !15, metadata !DIExpression()), !dbg !16
|
|
%a = fdiv double %x, 3.000000e+00
|
|
%b = fdiv double %y, 5.000000e+00, !dbg !17
|
|
br i1 %c, label %first, label %second
|
|
first:
|
|
%e = fadd double %a, 1.000000e+00
|
|
br label %final
|
|
second:
|
|
%f = fadd double %b, 1.000000e+00, !dbg !18
|
|
|
|
; CHECK-NOT: debug-location [[NO]]
|
|
; CHECK: debug-location [[YES]]
|
|
; CHECK-NOT: debug-location [[NO]]
|
|
br label %final
|
|
final:
|
|
%cond = phi double [%e, %first], [%f, %second]
|
|
%d = fadd double %cond, 1.000000e+00
|
|
ret double %d
|
|
}
|
|
|
|
|
|
|
|
; Function Attrs: nounwind readnone uwtable
|
|
define double @_Z4foo1ddb(double %x, double %y, i1 zeroext %c) local_unnamed_addr !dbg !19 {
|
|
tail call void @llvm.dbg.value(metadata double %x, metadata !21, metadata !DIExpression()), !dbg !24
|
|
tail call void @llvm.dbg.value(metadata double %y, metadata !22, metadata !DIExpression()), !dbg !24
|
|
tail call void @llvm.dbg.value(metadata i1 %c, metadata !23, metadata !DIExpression()), !dbg !24
|
|
%a = fdiv double %x, 3.000000e+00
|
|
%b = fdiv double %y, 5.000000e+00, !dbg !25
|
|
br i1 %c, label %first, label %second
|
|
first:
|
|
%e = fadd double %a, 1.000000e+00
|
|
br label %final
|
|
second:
|
|
%f = fadd double %b, 1.000000e+00, !dbg !25
|
|
; CHECK: debug-location [[TAG]]
|
|
; CHECK-NEXT: debug-location [[TAG]]
|
|
br label %final
|
|
final:
|
|
%cond = phi double [%e, %first], [%f, %second]
|
|
%d = fadd double %cond, 1.000000e+00
|
|
ret double %d
|
|
}
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5}
|
|
!llvm.ident = !{!6}
|
|
|
|
attributes #1 = { nounwind readnone speculatable }
|
|
|
|
; Function Attrs: nounwind readnone speculatable
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 (trunk 313291)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
|
|
!1 = !DIFile(filename: "test-sink-debug.cpp", directory: "/tmp")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!"clang version 6.0.0 (trunk 313291)"}
|
|
!7 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooddb", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
|
|
!8 = !DISubroutineType(types: !9)
|
|
!9 = !{!10, !10, !10, !11}
|
|
!10 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
|
|
!11 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
|
|
!12 = !{!13, !14, !15}
|
|
!13 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 1, type: !10)
|
|
!14 = !DILocalVariable(name: "y", arg: 2, scope: !7, file: !1, line: 1, type: !10)
|
|
!15 = !DILocalVariable(name: "c", arg: 3, scope: !7, file: !1, line: 1, type: !11)
|
|
!16 = !DILocation(line: 1, column: 19, scope: !7)
|
|
!17 = !DILocation(line: 2, column: 26, scope: !7)
|
|
!18 = !DILocation(line: 3, column: 20, scope: !7)
|
|
!19 = distinct !DISubprogram(name: "foo1", linkageName: "_Z4foo1ddb", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !20)
|
|
!20 = !{!21, !22, !23}
|
|
!21 = !DILocalVariable(name: "x", arg: 1, scope: !19, file: !1, line: 1, type: !10)
|
|
!22 = !DILocalVariable(name: "y", arg: 2, scope: !19, file: !1, line: 1, type: !10)
|
|
!23 = !DILocalVariable(name: "c", arg: 3, scope: !19, file: !1, line: 1, type: !11)
|
|
!24 = !DILocation(line: 1, column: 19, scope: !19)
|
|
!25 = !DILocation(line: 2, column: 26, scope: !19)
|