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46c4f02848
Several updates for [DebugInfo] Add debug locations to constant SD nodes (r235989).
Includes:
* re-enabling the change (disabled recently);
* missing change for FP constants;
* resetting debug location of constant node if it's used more than at one place
to prevent emission of wrong locations in case of coalesced constants;
* a couple of additional tests.
Now all look ups in CSEMap are wrapped by additional method.
Comment in D9084 suggests that debug locations aren't useful for "target constants",
so there might be one more change related to this API (namely, dropping debug
locations for getTarget*Constant methods).
Differential Revision: http://reviews.llvm.org/D9604
llvm-svn: 237237
55 lines
2.3 KiB
LLVM
55 lines
2.3 KiB
LLVM
; RUN: llc -filetype=asm -asm-verbose=0 < %s | FileCheck %s
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; char ch;
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; int b;
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;
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; void proc (void)
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; {
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; ch = 'A';
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; b = 0; // <== this should have correct location
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; }
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; CHECK: .loc 1 7 7
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; CHECK: mov r{{[0-9]}}, #0
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7--linux-gnueabihf"
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@ch = common global i8 0, align 1
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@b = common global i32 0, align 4
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; Function Attrs: nounwind
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define void @proc() #0 {
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entry:
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store i8 65, i8* @ch, align 1, !dbg !17
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store i32 0, i32* @b, align 4, !dbg !18
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ret void, !dbg !19
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}
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a8" "target-features"="+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!12, !13, !14, !15}
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!llvm.ident = !{!16}
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!0 = !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, subprograms: !3)
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!1 = !DIFile(filename: "test.c", directory: "/home/user/clang/build")
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!2 = !{}
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!3 = !{!4}
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!4 = !DISubprogram(name: "proc", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, function: void ()* @proc, variables: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = !{!8, !10}
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!8 = !DIGlobalVariable(name: "ch", scope: !0, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true, variable: i8* @ch)
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!9 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
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!10 = !DIGlobalVariable(name: "b", scope: !0, file: !1, line: 2, type: !11, isLocal: false, isDefinition: true, variable: i32* @b)
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!11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !{i32 2, !"Dwarf Version", i32 4}
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!13 = !{i32 2, !"Debug Info Version", i32 3}
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!14 = !{i32 1, !"wchar_size", i32 4}
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!15 = !{i32 1, !"min_enum_size", i32 4}
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!16 = !{!"clang version 3.7.0 (http://llvm.org/git/clang.git 9b0abb9df531ef7928c8182120e1869affca17d5) (http://llvm.org/git/llvm.git b1e759524dd94f7ce1e24935daed8383927e96c1)"}
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!17 = !DILocation(line: 6, column: 8, scope: !4)
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!18 = !DILocation(line: 7, column: 7, scope: !4)
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!19 = !DILocation(line: 8, column: 1, scope: !4)
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