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DebugInfo: PR14404: Avoid truncating 64 bit values into 32 bits for ULEB128/SLEB128 generation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184669 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -371,10 +371,10 @@ namespace llvm {
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//===------------------------------------------------------------------===//
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/// EmitSLEB128 - emit the specified signed leb128 value.
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void EmitSLEB128(int Value, const char *Desc = 0) const;
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void EmitSLEB128(int64_t Value, const char *Desc = 0) const;
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/// EmitULEB128 - emit the specified unsigned leb128 value.
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void EmitULEB128(unsigned Value, const char *Desc = 0,
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void EmitULEB128(uint64_t Value, const char *Desc = 0,
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unsigned PadTo = 0) const;
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/// EmitCFAByte - Emit a .byte 42 directive for a DW_CFA_xxx value.
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@ -344,8 +344,8 @@ namespace llvm {
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virtual ~MCAsmInfo();
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// FIXME: move these methods to DwarfPrinter when the JIT stops using them.
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static unsigned getSLEB128Size(int Value);
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static unsigned getULEB128Size(unsigned Value);
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static unsigned getSLEB128Size(int64_t Value);
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static unsigned getULEB128Size(uint64_t Value);
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/// getPointerSize - Get the pointer size in bytes.
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unsigned getPointerSize() const {
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@ -33,7 +33,7 @@ using namespace llvm;
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//===----------------------------------------------------------------------===//
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/// EmitSLEB128 - emit the specified signed leb128 value.
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void AsmPrinter::EmitSLEB128(int Value, const char *Desc) const {
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void AsmPrinter::EmitSLEB128(int64_t Value, const char *Desc) const {
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if (isVerbose() && Desc)
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OutStreamer.AddComment(Desc);
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@ -41,7 +41,7 @@ void AsmPrinter::EmitSLEB128(int Value, const char *Desc) const {
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}
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/// EmitULEB128 - emit the specified signed leb128 value.
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void AsmPrinter::EmitULEB128(unsigned Value, const char *Desc,
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void AsmPrinter::EmitULEB128(uint64_t Value, const char *Desc,
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unsigned PadTo) const {
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if (isVerbose() && Desc)
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OutStreamer.AddComment(Desc);
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@ -98,7 +98,7 @@ MCAsmInfo::~MCAsmInfo() {
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}
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unsigned MCAsmInfo::getULEB128Size(unsigned Value) {
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unsigned MCAsmInfo::getULEB128Size(uint64_t Value) {
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unsigned Size = 0;
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do {
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Value >>= 7;
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@ -107,7 +107,7 @@ unsigned MCAsmInfo::getULEB128Size(unsigned Value) {
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return Size;
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}
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unsigned MCAsmInfo::getSLEB128Size(int Value) {
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unsigned MCAsmInfo::getSLEB128Size(int64_t Value) {
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unsigned Size = 0;
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int Sign = Value >> (8 * sizeof(Value) - 1);
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bool IsMore;
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37
test/DebugInfo/pr14404.ll
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37
test/DebugInfo/pr14404.ll
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@ -0,0 +1,37 @@
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; REQUIRES: object-emission
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; RUN: llc -O0 -filetype=obj < %s > %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; IR generated from the following code compiled with clang -g:
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; enum e { I, J = 0xffffffffU, K = 0xf000000000000000ULL } x;
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; These values were previously being truncated to -1 and 0 respectively.
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; CHECK: debug_info contents
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; CHECK: DW_TAG_enumerator
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; CHECK: DW_TAG_enumerator
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; CHECK-NEXT: DW_AT_name{{.*}} = "J"
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (4294967295)
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; CHECK: DW_TAG_enumerator
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; CHECK-NEXT: DW_AT_name{{.*}} = "K"
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (-1152921504606846976)
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@x = common global i64 0, align 8
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!12}
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!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !8, metadata !8, metadata !9, metadata !8, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/enum.c] [DW_LANG_C99]
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!1 = metadata !{metadata !"enum.c", metadata !"/tmp"}
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!2 = metadata !{metadata !3}
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!3 = metadata !{i32 786436, metadata !1, null, metadata !"e", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !4, i32 0, i32 0} ; [ DW_TAG_enumeration_type ] [e] [line 1, size 64, align 64, offset 0] [def] [from ]
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!4 = metadata !{metadata !5, metadata !6, metadata !7}
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!5 = metadata !{i32 786472, metadata !"I", i64 0} ; [ DW_TAG_enumerator ] [I :: 0]
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!6 = metadata !{i32 786472, metadata !"J", i64 4294967295} ; [ DW_TAG_enumerator ] [J :: 4294967295]
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!7 = metadata !{i32 786472, metadata !"K", i64 -1152921504606846976} ; [ DW_TAG_enumerator ] [K :: 17293822569102704640]
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!8 = metadata !{i32 0}
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!9 = metadata !{metadata !10}
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!10 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !11, i32 1, metadata !3, i32 0, i32 1, i64* @x, null} ; [ DW_TAG_variable ] [x] [line 1] [def]
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!11 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/enum.c]
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!12 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
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