[llvm-branch-commits] [llvm-branch] r105298 - in /llvm/branches/Apple/Morbo: ./ lib/CodeGen/AsmPrinter/DwarfDebug.cpp lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h lib/Target/ARM/ARMInstrFormats.td lib/Transforms/Utils/PromoteMemoryToRegister.cpp test/DebugInfo/2010-05-28-Crash.ll test/DebugInfo/2010-06-01-DeadArg-DbgInfo.ll test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
Devang Patel
dpatel at apple.com
Tue Jun 1 16:43:24 PDT 2010
Author: dpatel
Date: Tue Jun 1 18:43:24 2010
New Revision: 105298
URL: http://llvm.org/viewvc/llvm-project?rev=105298&view=rev
Log:
Merge debug info changes from trunk.
r103126,104858,104872,104884,105285,105292,105295
Added:
llvm/branches/Apple/Morbo/test/DebugInfo/2010-06-01-DeadArg-DbgInfo.ll
- copied unchanged from r105285, llvm/trunk/test/DebugInfo/2010-06-01-DeadArg-DbgInfo.ll
llvm/branches/Apple/Morbo/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
- copied unchanged from r104884, llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
Modified:
llvm/branches/Apple/Morbo/ (props changed)
llvm/branches/Apple/Morbo/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
llvm/branches/Apple/Morbo/lib/Target/ARM/ARMInstrFormats.td (props changed)
llvm/branches/Apple/Morbo/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
llvm/branches/Apple/Morbo/test/DebugInfo/2010-05-28-Crash.ll
Propchange: llvm/branches/Apple/Morbo/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Jun 1 18:43:24 2010
@@ -1,3 +1,3 @@
/llvm/branches/Apple/Hermes:96832,96835,96858,96870,96876,96879,104427,104930,104971
-/llvm/trunk:98602,98604,98612,98615-98616,98675,98686,98743-98744,98768,98773,98778,98780,98810,98835,98839,98845,98855,98862,98881,98920,98977,98980,99032-99033,99043,99196,99223,99263,99282-99284,99306,99319-99321,99324,99336,99378,99418,99423,99429,99440,99455,99463,99465,99469,99484,99490,99492-99494,99507,99524,99537,99539-99540,99544,99570,99575,99598,99620,99629-99630,99636,99671,99692,99695,99697,99699,99722,99816,99835-99836,99845-99846,99848,99850,99855,99879,99881-99883,99895,99899,99910,99916,99919,99952-99954,99957,99959,99974-99975,99982,99984-99986,99988-99989,99992-99993,99995,99997-99999,100016,100035,100037-100038,100042,100044,100056,100072,100074,100078,100081-100090,100092,100094-100095,100116,100134,100184,100209,100214-100218,100220-100221,100223-100225,100231,100250,100252,100257,100261,100304,100332,100353,100384,100454-100455,100457,100466,100478,100480,100487,100494,100497,100505,100521,100553,100568,100584,100592,100609-100610,100636,100710,100736
,100742,100751,100768-100769,100771,100781,100797,100804,100837,100867,100892,100936-100937,101011,101023,101075,101077,101079,101081,101085,101154,101158,101162,101165,101181,101190,101202,101282,101294,101303,101314-101315,101317,101331,101343,101383,101392,101420,101453,101604,101615,101629,101684-101686,101805,101845,101847,101851,101855,101870,101879,101897,101925,101930,101965,101971,101979,102111,102120,102192,102202,102225,102236-102237,102358,102366,102394,102396,102405,102421,102454-102456,102463,102467-102468,102470,102481,102486-102488,102492-102493,102504-102505,102508-102510,102513,102519,102524,102526,102531,102558,102646,102653,102655,102661-102662,102672,102743,102760,102770,102791,102948,102970,102980,103001,103133,103233,103314,103356,103415,103419,103439,103451,103455,103459,103798,103801-103802,103804,103808,103813,103824,103829,103990,103995,104066,104182,104233,104236,104265,104274,104302,104338,104412,104419,104524,104531,104640,104646,104649,104655-1
04656,104661,104664,104705-104706,104720,104722,104732,104737,104740,104785,104848,104900,104967
+/llvm/trunk:98602,98604,98612,98615-98616,98675,98686,98743-98744,98768,98773,98778,98780,98810,98835,98839,98845,98855,98862,98881,98920,98977,98980,99032-99033,99043,99196,99223,99263,99282-99284,99306,99319-99321,99324,99336,99378,99418,99423,99429,99440,99455,99463,99465,99469,99484,99490,99492-99494,99507,99524,99537,99539-99540,99544,99570,99575,99598,99620,99629-99630,99636,99671,99692,99695,99697,99699,99722,99816,99835-99836,99845-99846,99848,99850,99855,99879,99881-99883,99895,99899,99910,99916,99919,99952-99954,99957,99959,99974-99975,99982,99984-99986,99988-99989,99992-99993,99995,99997-99999,100016,100035,100037-100038,100042,100044,100056,100072,100074,100078,100081-100090,100092,100094-100095,100116,100134,100184,100209,100214-100218,100220-100221,100223-100225,100231,100250,100252,100257,100261,100304,100332,100353,100384,100454-100455,100457,100466,100478,100480,100487,100494,100497,100505,100521,100553,100568,100584,100592,100609-100610,100636,100710,100736
,100742,100751,100768-100769,100771,100781,100797,100804,100837,100867,100892,100936-100937,101011,101023,101075,101077,101079,101081,101085,101154,101158,101162,101165,101181,101190,101202,101282,101294,101303,101314-101315,101317,101331,101343,101383,101392,101420,101453,101604,101615,101629,101684-101686,101805,101845,101847,101851,101855,101870,101879,101897,101925,101930,101965,101971,101979,102111,102120,102192,102202,102225,102236-102237,102358,102366,102394,102396,102405,102421,102454-102456,102463,102467-102468,102470,102481,102486-102488,102492-102493,102504-102505,102508-102510,102513,102519,102524,102526,102531,102558,102646,102653,102655,102661-102662,102672,102743,102760,102770,102791,102948,102970,102980,103001,103126,103133,103233,103314,103356,103415,103419,103439,103451,103455,103459,103798,103801-103802,103804,103808,103813,103824,103829,103990,103995,104066,104182,104233,104236,104265,104274,104302,104338,104412,104419,104524,104531,104640,104646,104649,1
04655-104656,104661,104664,104705-104706,104720,104722,104732,104737,104740,104785,104848,104858,104872,104884,104900,104967,105285,105292,105295
/llvm-gcc-4.2/trunk:104182
Modified: llvm/branches/Apple/Morbo/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=105298&r1=105297&r2=105298&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/branches/Apple/Morbo/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Tue Jun 1 18:43:24 2010
@@ -2173,7 +2173,11 @@
}
DbgScope *Scope = findDbgScope(MInsn);
- if (!Scope && DV.getTag() == dwarf::DW_TAG_arg_variable)
+ bool CurFnArg = false;
+ if (DV.getTag() == dwarf::DW_TAG_arg_variable &&
+ DISubprogram(DV.getContext().getNode()).describes(MF->getFunction()))
+ CurFnArg = true;
+ if (!Scope && CurFnArg)
Scope = CurrentFnDbgScope;
// If variable scope is not found then skip this variable.
if (!Scope)
@@ -2182,7 +2186,7 @@
Processed.insert(DVNode);
DbgVariable *RegVar = new DbgVariable(DV);
Scope->addVariable(RegVar);
- if (DV.getTag() != dwarf::DW_TAG_arg_variable)
+ if (!CurFnArg)
DbgVariableLabelsMap[RegVar] = getLabelBeforeInsn(MInsn);
if (DbgVariable *AbsVar = findAbstractVariable(DV, MInsn->getDebugLoc())) {
DbgVariableToDbgInstMap[AbsVar] = MInsn;
@@ -2590,6 +2594,7 @@
assert (MI->getNumOperands() > 1 && "Invalid machine instruction!");
DIVariable DV(const_cast<MDNode*>(MI->getOperand(MI->getNumOperands() - 1).getMetadata()));
if (!DV.Verify()) continue;
+ if (isDbgValueInUndefinedReg(MI)) continue;
// If DBG_VALUE is for a local variable then it needs a label.
if (DV.getTag() != dwarf::DW_TAG_arg_variable)
InsnNeedsLabel.insert(MI);
Modified: llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=105298&r1=105297&r2=105298&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Tue Jun 1 18:43:24 2010
@@ -542,6 +542,7 @@
/// consumed.
void SelectionDAGBuilder::clear() {
NodeMap.clear();
+ UnusedArgNodeMap.clear();
PendingLoads.clear();
PendingExports.clear();
EdgeMapping.clear();
@@ -3922,14 +3923,31 @@
SDV = DAG.getDbgValue(Variable, V, Offset, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, 0, false);
} else {
- SDValue &N = NodeMap[V];
+ bool createUndef = false;
+ // FIXME : Why not use getValue() directly ?
+ SDValue N = NodeMap[V];
+ if (!N.getNode() && isa<Argument>(V))
+ // Check unused arguments map.
+ N = UnusedArgNodeMap[V];
if (N.getNode()) {
if (!EmitFuncArgumentDbgValue(DI, V, Variable, Offset, N)) {
SDV = DAG.getDbgValue(Variable, N.getNode(),
N.getResNo(), Offset, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, N.getNode(), false);
}
- } else {
+ } else if (isa<PHINode>(V) && !V->use_empty()) {
+ SDValue N = getValue(V);
+ if (N.getNode()) {
+ if (!EmitFuncArgumentDbgValue(DI, V, Variable, Offset, N)) {
+ SDV = DAG.getDbgValue(Variable, N.getNode(),
+ N.getResNo(), Offset, dl, SDNodeOrder);
+ DAG.AddDbgValue(SDV, N.getNode(), false);
+ }
+ } else
+ createUndef = true;
+ } else
+ createUndef = true;
+ if (createUndef) {
// We may expand this to cover more cases. One case where we have no
// data available is an unreferenced parameter; we need this fallback.
SDV = DAG.getDbgValue(Variable, UndefValue::get(V->getType()),
@@ -6135,6 +6153,12 @@
SmallVector<EVT, 4> ValueVTs;
ComputeValueVTs(TLI, I->getType(), ValueVTs);
unsigned NumValues = ValueVTs.size();
+
+ // If this argument is unused then remember its value. It is used to generate
+ // debugging information.
+ if (I->use_empty() && NumValues)
+ SDB->setUnusedArgValue(I, InVals[i]);
+
for (unsigned Value = 0; Value != NumValues; ++Value) {
EVT VT = ValueVTs[Value];
EVT PartVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
Modified: llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h?rev=105298&r1=105297&r2=105298&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h (original)
+++ llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h Tue Jun 1 18:43:24 2010
@@ -92,6 +92,10 @@
DebugLoc CurDebugLoc;
DenseMap<const Value*, SDValue> NodeMap;
+
+ /// UnusedArgNodeMap - Maps argument value for unused arguments. This is used
+ /// to preserve debug information for incoming arguments.
+ DenseMap<const Value*, SDValue> UnusedArgNodeMap;
public:
/// PendingLoads - Loads are not emitted to the program immediately. We bunch
@@ -361,6 +365,12 @@
N = NewN;
}
+ void setUnusedArgValue(const Value *V, SDValue NewN) {
+ SDValue &N = UnusedArgNodeMap[V];
+ assert(N.getNode() == 0 && "Already set a value for this node!");
+ N = NewN;
+ }
+
void GetRegistersForValue(SDISelAsmOperandInfo &OpInfo,
std::set<unsigned> &OutputRegs,
std::set<unsigned> &InputRegs);
Propchange: llvm/branches/Apple/Morbo/lib/Target/ARM/ARMInstrFormats.td
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Jun 1 18:43:24 2010
@@ -1,2 +1,2 @@
/llvm/branches/Apple/Hermes/lib/Target/ARM/ARMInstrFormats.td:104930
-/llvm/trunk/lib/Target/ARM/ARMInstrFormats.td:98980,104182,104233,104236,104265,104274,104302,104338,104412,104419,104524,104531,104640,104646,104649,104655-104656,104661,104664,104705-104706,104720,104722,104732,104737,104740,104785,104848,104900,105092
+/llvm/trunk/lib/Target/ARM/ARMInstrFormats.td:98980,103126,104182,104233,104236,104265,104274,104302,104338,104412,104419,104524,104531,104640,104646,104649,104655-104656,104661,104664,104705-104706,104720,104722,104732,104737,104740,104785,104848,104858,104872,104884,104900,105092,105285,105292,105295
Modified: llvm/branches/Apple/Morbo/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/Transforms/Utils/PromoteMemoryToRegister.cpp?rev=105298&r1=105297&r2=105298&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/Transforms/Utils/PromoteMemoryToRegister.cpp (original)
+++ llvm/branches/Apple/Morbo/lib/Transforms/Utils/PromoteMemoryToRegister.cpp Tue Jun 1 18:43:24 2010
@@ -897,6 +897,11 @@
// Propagate any debug metadata from the store onto the dbg.value.
if (MDNode *SIMD = SI->getMetadata("dbg"))
DbgVal->setMetadata("dbg", SIMD);
+ // Otherwise propgate debug metadata from dbg.delcare for inlined fn args.
+ else if (!DISubprogram(DIVar.getContext().getNode()).
+ describes(DDI->getParent()->getParent()))
+ if (MDNode *MD = DDI->getMetadata("dbg"))
+ DbgVal->setMetadata("dbg", MD);
}
// QueuePhiNode - queues a phi-node to be added to a basic-block for a specific
Modified: llvm/branches/Apple/Morbo/test/DebugInfo/2010-05-28-Crash.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/test/DebugInfo/2010-05-28-Crash.ll?rev=105298&r1=105297&r2=105298&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/test/DebugInfo/2010-05-28-Crash.ll (original)
+++ llvm/branches/Apple/Morbo/test/DebugInfo/2010-05-28-Crash.ll Tue Jun 1 18:43:24 2010
@@ -1,49 +1,44 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s
; Test to check separate label for inlined function argument.
-define void @bar(double %x) nounwind {
+
+define i32 @foo(i32 %y) nounwind optsize ssp {
entry:
- %__x_addr.i = alloca double ; <double*> [#uses=2]
- %retval.i = alloca i32 ; <i32*> [#uses=2]
- %0 = alloca i32 ; <i32*> [#uses=2]
- %x_addr = alloca double ; <double*> [#uses=2]
- %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
- call void @llvm.dbg.declare(metadata !{double* %x_addr}, metadata !0), !dbg !7
- store double %x, double* %x_addr
- %1 = load double* %x_addr, align 8, !dbg !8 ; <double> [#uses=1]
- call void @llvm.dbg.declare(metadata !{double* %__x_addr.i}, metadata !10), !dbg !15
- store double %1, double* %__x_addr.i
- %2 = load double* %__x_addr.i, align 8, !dbg !15 ; <double> [#uses=1]
- %3 = fptosi double %2 to i32, !dbg !15 ; <i32> [#uses=1]
- store i32 %3, i32* %0, align 4, !dbg !15
- %4 = load i32* %0, align 4, !dbg !15 ; <i32> [#uses=1]
- store i32 %4, i32* %retval.i, align 4, !dbg !15
- %retval1.i = load i32* %retval.i, !dbg !15 ; <i32> [#uses=0]
- br label %return, !dbg !16
+ tail call void @llvm.dbg.value(metadata !{i32 %y}, i64 0, metadata !0)
+ %0 = tail call i32 (...)* @zoo(i32 %y) nounwind, !dbg !9 ; <i32> [#uses=1]
+ ret i32 %0, !dbg !9
+}
+
+declare i32 @zoo(...)
-return: ; preds = %entry
- ret void, !dbg !16
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+define i32 @bar(i32 %x) nounwind optsize ssp {
+entry:
+ tail call void @llvm.dbg.value(metadata !{i32 %x}, i64 0, metadata !7)
+ tail call void @llvm.dbg.value(metadata !11, i64 0, metadata !0) nounwind
+ %0 = tail call i32 (...)* @zoo(i32 1) nounwind, !dbg !12 ; <i32> [#uses=1]
+ %1 = add nsw i32 %0, %x, !dbg !13 ; <i32> [#uses=1]
+ ret i32 %1, !dbg !13
}
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+!llvm.dbg.lv = !{!0, !7}
-!0 = metadata !{i32 524545, metadata !1, metadata !"x", metadata !2, i32 7, metadata !6} ; [ DW_TAG_arg_variable ]
-!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"bar", metadata !2, i32 7, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 false} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 524329, metadata !"2010-01-18-Inlined-Debug.c", metadata !"/Users/buildslave/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/FrontendC", metadata !3} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"2010-01-18-Inlined-Debug.c", metadata !"/Users/buildslave/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/FrontendC", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 524545, metadata !1, metadata !"y", metadata !2, i32 2, metadata !6} ; [ DW_TAG_arg_variable ]
+!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 2, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 524329, metadata !"f.c", metadata !"/tmp", metadata !3} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"f.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
-!5 = metadata !{null, metadata !6}
-!6 = metadata !{i32 524324, metadata !2, metadata !"double", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
-!7 = metadata !{i32 7, i32 0, metadata !1, null}
-!8 = metadata !{i32 8, i32 0, metadata !9, null}
-!9 = metadata !{i32 524299, metadata !1, i32 7, i32 0} ; [ DW_TAG_lexical_block ]
-!10 = metadata !{i32 524545, metadata !11, metadata !"__x", metadata !2, i32 5, metadata !6} ; [ DW_TAG_arg_variable ]
-!11 = metadata !{i32 524334, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 5, metadata !12, i1 true, i1 true, i32 0, i32 0, null, i1 false, i1 false} ; [ DW_TAG_subprogram ]
-!12 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null} ; [ DW_TAG_subroutine_type ]
-!13 = metadata !{metadata !14, metadata !6}
-!14 = metadata !{i32 524324, metadata !2, metadata !"int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
-!15 = metadata !{i32 5, i32 0, metadata !11, metadata !8}
-!16 = metadata !{i32 9, i32 0, metadata !9, null}
-
-;CHECK: ##DEBUG_VALUE: bar:x
-;CHECK-NEXT:Ltmp1:
-;CHECK-NEXT ##DEBUG_VALUE: foo:__x
+!5 = metadata !{metadata !6, metadata !6}
+!6 = metadata !{i32 524324, metadata !2, metadata !"int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!7 = metadata !{i32 524545, metadata !8, metadata !"x", metadata !2, i32 6, metadata !6} ; [ DW_TAG_arg_variable ]
+!8 = metadata !{i32 524334, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"bar", metadata !2, i32 6, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true} ; [ DW_TAG_subprogram ]
+!9 = metadata !{i32 3, i32 0, metadata !10, null}
+!10 = metadata !{i32 524299, metadata !1, i32 2, i32 0} ; [ DW_TAG_lexical_block ]
+!11 = metadata !{i32 1}
+!12 = metadata !{i32 3, i32 0, metadata !10, metadata !13}
+!13 = metadata !{i32 7, i32 0, metadata !14, null}
+!14 = metadata !{i32 524299, metadata !8, i32 6, i32 0} ; [ DW_TAG_lexical_block ]
+
+;CHECK: DEBUG_VALUE: bar:x <- EBX+0
+;CHECK-NEXT:Ltmp
+;CHECK-NEXT DEBUG_VALUE: foo:y <- 1+0
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