forked from OSchip/llvm-project
106 lines
4.4 KiB
LLVM
106 lines
4.4 KiB
LLVM
; RUN: llc -filetype=asm -fast-isel=false -O0 < %s | FileCheck %s
|
|
;
|
|
; Generated by:
|
|
; clang -emit-llvm -S -g test.cpp
|
|
|
|
; typedef double fp_t;
|
|
; typedef unsigned long int_t;
|
|
;
|
|
; int_t glb_start = 17;
|
|
; int_t glb_end = 42;
|
|
;
|
|
; int main()
|
|
; {
|
|
; int_t start = glb_start;
|
|
; int_t end = glb_end;
|
|
;
|
|
; fp_t dbl_start = (fp_t) start;
|
|
; fp_t dbl_end = (fp_t) end;
|
|
;
|
|
; return 0;
|
|
; }
|
|
|
|
; SelectionDAG performs CSE on constant pool loads. Make sure line numbers
|
|
; from such nodes are not propagated. Doing so results in oscillating line numbers.
|
|
|
|
; CHECK: .loc 1 12
|
|
; CHECK: .loc 1 13
|
|
; CHECK-NOT: .loc 1 12
|
|
|
|
; ModuleID = 't.cpp'
|
|
source_filename = "test/DebugInfo/X86/isel-cse-line.ll"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
@glb_start = global i64 17, align 8, !dbg !0
|
|
@glb_end = global i64 42, align 8, !dbg !9
|
|
|
|
define i32 @main() !dbg !16 {
|
|
%1 = alloca i32, align 4
|
|
%2 = alloca i64, align 8
|
|
%3 = alloca i64, align 8
|
|
%4 = alloca double, align 8
|
|
%5 = alloca double, align 8
|
|
store i32 0, i32* %1, align 4
|
|
call void @llvm.dbg.declare(metadata i64* %2, metadata !20, metadata !21), !dbg !22
|
|
%6 = load i64, i64* @glb_start, align 8, !dbg !23
|
|
store i64 %6, i64* %2, align 8, !dbg !22
|
|
call void @llvm.dbg.declare(metadata i64* %3, metadata !24, metadata !21), !dbg !25
|
|
%7 = load i64, i64* @glb_end, align 8, !dbg !26
|
|
store i64 %7, i64* %3, align 8, !dbg !25
|
|
call void @llvm.dbg.declare(metadata double* %4, metadata !27, metadata !21), !dbg !28
|
|
%8 = load i64, i64* %2, align 8, !dbg !29
|
|
%9 = uitofp i64 %8 to double, !dbg !29
|
|
store double %9, double* %4, align 8, !dbg !28
|
|
call void @llvm.dbg.declare(metadata double* %5, metadata !30, metadata !21), !dbg !31
|
|
%10 = load i64, i64* %3, align 8, !dbg !32
|
|
%11 = uitofp i64 %10 to double, !dbg !32
|
|
store double %11, double* %5, align 8, !dbg !31
|
|
ret i32 0, !dbg !33
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
|
|
|
|
attributes #0 = { nounwind readnone }
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!13, !14}
|
|
!llvm.ident = !{!15}
|
|
|
|
!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = !DIGlobalVariable(name: "glb_start", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true)
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 268246)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !8)
|
|
!3 = !DIFile(filename: "/home/wpieb/test/D12094.cpp", directory: "/home/wpieb/build/llvm/trunk/llvm-RelWithDebInfo")
|
|
!4 = !{}
|
|
!5 = !{!6}
|
|
!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "fp_t", file: !3, line: 1, baseType: !7)
|
|
!7 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float)
|
|
!8 = !{!0, !9}
|
|
!9 = distinct !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
|
|
!10 = !DIGlobalVariable(name: "glb_end", scope: !2, file: !3, line: 5, type: !11, isLocal: false, isDefinition: true)
|
|
!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "int_t", file: !3, line: 2, baseType: !12)
|
|
!12 = !DIBasicType(name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
|
|
!13 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!14 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!15 = !{!"clang version 3.9.0 (trunk 268246)"}
|
|
!16 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 7, type: !17, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
|
|
!17 = !DISubroutineType(types: !18)
|
|
!18 = !{!19}
|
|
!19 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!20 = !DILocalVariable(name: "start", scope: !16, file: !3, line: 9, type: !11)
|
|
!21 = !DIExpression()
|
|
!22 = !DILocation(line: 9, column: 9, scope: !16)
|
|
!23 = !DILocation(line: 9, column: 17, scope: !16)
|
|
!24 = !DILocalVariable(name: "end", scope: !16, file: !3, line: 10, type: !11)
|
|
!25 = !DILocation(line: 10, column: 9, scope: !16)
|
|
!26 = !DILocation(line: 10, column: 17, scope: !16)
|
|
!27 = !DILocalVariable(name: "dbl_start", scope: !16, file: !3, line: 12, type: !6)
|
|
!28 = !DILocation(line: 12, column: 8, scope: !16)
|
|
!29 = !DILocation(line: 12, column: 27, scope: !16)
|
|
!30 = !DILocalVariable(name: "dbl_end", scope: !16, file: !3, line: 13, type: !6)
|
|
!31 = !DILocation(line: 13, column: 8, scope: !16)
|
|
!32 = !DILocation(line: 13, column: 27, scope: !16)
|
|
!33 = !DILocation(line: 15, column: 3, scope: !16)
|
|
|