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[mips][micromips] Revert "Fix overlaping FDEs error"

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This reverts r344511.

llvm-svn: 344515
This commit is contained in:
Aleksandar Beserminji 2018-10-15 14:36:48 +00:00
parent e44f188a68
commit cb01fa1a2b
3 changed files with 0 additions and 62 deletions
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17
lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp
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@ -15,7 +15,6 @@
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSymbolELF.h"
@ -54,22 +53,6 @@ void MipsELFStreamer::EmitInstruction(const MCInst &Inst,
createPendingLabelRelocs();
}
void MipsELFStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) {
Frame.Begin = getContext().createTempSymbol();
MCELFStreamer::EmitLabel(Frame.Begin);
}
MCSymbol *MipsELFStreamer::EmitCFILabel() {
MCSymbol *Label = getContext().createTempSymbol("cfi", true);
MCELFStreamer::EmitLabel(Label);
return Label;
}
void MipsELFStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) {
Frame.End = getContext().createTempSymbol();
MCELFStreamer::EmitLabel(Frame.End);
}
void MipsELFStreamer::createPendingLabelRelocs() {
MipsTargetELFStreamer *ELFTargetStreamer =
static_cast<MipsTargetELFStreamer *>(getTargetStreamer());

7
lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h
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@ -25,7 +25,6 @@ namespace llvm {
class MCAsmBackend;
class MCCodeEmitter;
class MCContext;
class MCDwarfFrameInfo;
class MCSubtargetInfo;
class MipsELFStreamer : public MCELFStreamer {
@ -61,12 +60,6 @@ public:
void EmitValueImpl(const MCExpr *Value, unsigned Size, SMLoc Loc) override;
void EmitIntValue(uint64_t Value, unsigned Size) override;
// Overriding these functions allows us to avoid recording of these labels
// in EmitLabel and later marking them as microMIPS.
void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) override;
void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) override;
MCSymbol *EmitCFILabel() override;
/// Emits all the option records stored up until the point it's called.
void EmitMipsOptionRecords();

38
test/DebugInfo/Mips/eh_frame.ll
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@ -1,38 +0,0 @@
; RUN: llc -mtriple mips-unknown-linux-gnu -mattr=+micromips -O3 -filetype=obj -o - %s | llvm-readelf -r | FileCheck %s
; CHECK: .rel.eh_frame
; CHECK: DW.ref.__gxx_personality_v0
; CHECK-NEXT: .text
; CHECK-NEXT: .gcc_except_table
@_ZTIi = external constant i8*
define dso_local i32 @main() local_unnamed_addr personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
%exception.i = tail call i8* @__cxa_allocate_exception(i32 4) nounwind
%0 = bitcast i8* %exception.i to i32*
store i32 5, i32* %0, align 16
invoke void @__cxa_throw(i8* %exception.i, i8* bitcast (i8** @_ZTIi to i8*), i8* null) noreturn
to label %.noexc unwind label %return
.noexc:
unreachable
return:
%1 = landingpad { i8*, i32 }
catch i8* null
%2 = extractvalue { i8*, i32 } %1, 0
%3 = tail call i8* @__cxa_begin_catch(i8* %2) nounwind
tail call void @__cxa_end_catch()
ret i32 0
}
declare i32 @__gxx_personality_v0(...)
declare i8* @__cxa_begin_catch(i8*) local_unnamed_addr
declare void @__cxa_end_catch() local_unnamed_addr
declare i8* @__cxa_allocate_exception(i32) local_unnamed_addr
declare void @__cxa_throw(i8*, i8*, i8*) local_unnamed_addr