/// currently in the promotable queue.
SetVector<SelectInst *, SmallVector<SelectInst *, 2>> SpeculatableSelects;
+ /// Debug intrinsics do not show up as regular uses in the
+ /// IR. This side-table holds the missing use edges.
+ DenseMap<AllocaInst *, DbgDeclareInst *> DbgDeclares;
+
public:
SROA(bool RequiresDomTree = true)
: FunctionPass(ID), RequiresDomTree(RequiresDomTree), C(nullptr),
friend class AllocaSliceRewriter;
bool presplitLoadsAndStores(AllocaInst &AI, AllocaSlices &AS);
- bool rewritePartition(AllocaInst &AI, AllocaSlices &AS,
- AllocaSlices::Partition &P);
+ AllocaInst *rewritePartition(AllocaInst &AI, AllocaSlices &AS,
+ AllocaSlices::Partition &P);
bool splitAlloca(AllocaInst &AI, AllocaSlices &AS);
bool runOnAlloca(AllocaInst &AI);
void clobberUse(Use &U);
/// appropriate new offsets. It also evaluates how successful the rewrite was
/// at enabling promotion and if it was successful queues the alloca to be
/// promoted.
-bool SROA::rewritePartition(AllocaInst &AI, AllocaSlices &AS,
- AllocaSlices::Partition &P) {
+AllocaInst *SROA::rewritePartition(AllocaInst &AI, AllocaSlices &AS,
+ AllocaSlices::Partition &P) {
// Try to compute a friendly type for this partition of the alloca. This
// won't always succeed, in which case we fall back to a legal integer type
// or an i8 array of an appropriate size.
NewAI = &AI;
// FIXME: We should be able to bail at this point with "nothing changed".
// FIXME: We might want to defer PHI speculation until after here.
+ // FIXME: return nullptr;
} else {
unsigned Alignment = AI.getAlignment();
if (!Alignment) {
PostPromotionWorklist.pop_back();
}
- return true;
+ return NewAI;
}
/// \brief Walks the slices of an alloca and form partitions based on them,
if (!IsSorted)
std::sort(AS.begin(), AS.end());
+ /// \brief Describes the allocas introduced by rewritePartition
+ /// in order to migrate the debug info.
+ struct Piece {
+ AllocaInst *Alloca;
+ uint64_t Offset;
+ uint64_t Size;
+ Piece(AllocaInst *AI, uint64_t O, uint64_t S)
+ : Alloca(AI), Offset(O), Size(S) {}
+ };
+ SmallVector<Piece, 4> Pieces;
+
// Rewrite each partition.
for (auto &P : AS.partitions()) {
- Changed |= rewritePartition(AI, AS, P);
+ if (AllocaInst *NewAI = rewritePartition(AI, AS, P)) {
+ Changed = true;
+ if (NewAI != &AI)
+ Pieces.push_back(Piece(NewAI, P.beginOffset(), P.size()));
+ }
++NumPartitions;
}
MaxPartitionsPerAlloca =
std::max<unsigned>(NumPartitions, MaxPartitionsPerAlloca);
+ // Migrate debug information from the old alloca to the new alloca(s)
+ // and the individial partitions.
+ if (DbgDeclareInst *DbgDecl = DbgDeclares.lookup(&AI)) {
+ DIVariable Var(DbgDecl->getVariable());
+ DIExpression Expr(DbgDecl->getExpression());
+ DIBuilder DIB(*AI.getParent()->getParent()->getParent(),
+ /*AllowUnresolved*/ false);
+ bool IsSplit = Pieces.size() > 1;
+ for (auto Piece : Pieces) {
+ // Create a piece expression describing the new partition or reuse AI's
+ // expression if there is only one partition.
+ if (IsSplit)
+ Expr = DIB.createPieceExpression(Piece.Offset, Piece.Size);
+ Instruction *NewDDI = DIB.insertDeclare(Piece.Alloca, Var, Expr, &AI);
+ NewDDI->setDebugLoc(DbgDecl->getDebugLoc());
+ assert((!DbgDeclares.count(Piece.Alloca) ||
+ DbgDeclares[Piece.Alloca] == cast<DbgDeclareInst>(NewDDI)
+ ) && "alloca already described");
+ DbgDeclares.insert(std::make_pair(Piece.Alloca,
+ cast<DbgDeclareInst>(NewDDI)));
+ }
+ }
return Changed;
}
DeadInsts.insert(U);
}
- if (AllocaInst *AI = dyn_cast<AllocaInst>(I))
+ if (AllocaInst *AI = dyn_cast<AllocaInst>(I)) {
DeletedAllocas.insert(AI);
+ if (DbgDeclareInst *DbgDecl = DbgDeclares.lookup(AI)) {
+ DbgDecl->eraseFromParent();
+ DbgDeclares.erase(AI);
+ }
+ }
++NumDeleted;
I->eraseFromParent();
DT = DTWP ? &DTWP->getDomTree() : nullptr;
AC = &getAnalysis<AssumptionCacheTracker>().getAssumptionCache(F);
+ DbgDeclares.clear();
BasicBlock &EntryBB = F.getEntryBlock();
for (BasicBlock::iterator I = EntryBB.begin(), E = std::prev(EntryBB.end());
- I != E; ++I)
+ I != E; ++I) {
if (AllocaInst *AI = dyn_cast<AllocaInst>(I))
Worklist.insert(AI);
+ else if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I))
+ if (auto AI = dyn_cast_or_null<AllocaInst>(DDI->getAddress()))
+ DbgDeclares.insert(std::make_pair(AI, DDI));
+ }
bool Changed = false;
// A set of deleted alloca instruction pointers which should be removed from
; }
;
; RUN: opt %s -O2 -S -o - | FileCheck %s
-; Test that we do not lower dbg.declares for arrays.
+; Test that we correctly lower dbg.declares for arrays.
;
; CHECK: define i32 @main
-; CHECK: call void @llvm.dbg.value
-; CHECK: call void @llvm.dbg.value
-; CHECK: call void @llvm.dbg.declare
+; CHECK: call void @llvm.dbg.value(metadata i32 42, i64 0, metadata ![[ARRAY:[0-9]+]], metadata ![[EXPR:[0-9]+]])
+; CHECK: ![[ARRAY]] = {{.*}}; [ DW_TAG_auto_variable ] [array] [line 6]
+; CHECK: ![[EXPR]] = {{.*}}; [ DW_TAG_expression ] [DW_OP_piece offset=0, size=4]
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"
--- /dev/null
+; RUN: opt %s -sroa -verify -S -o - | FileCheck %s
+;
+; Test that we can partial emit debug info for aggregates repeatedly
+; split up by SROA.
+;
+; // Compile with -O1
+; typedef struct {
+; int a;
+; long int b;
+; } Inner;
+;
+; typedef struct {
+; Inner inner[2];
+; } Outer;
+;
+; int foo(Outer outer) {
+; Inner i1 = outer.inner[1];
+; return i1.a;
+; }
+;
+
+; Verify that SROA creates a variable piece when splitting i1.
+; CHECK: %[[I1:.*]] = alloca [12 x i8], align 4
+; CHECK: call void @llvm.dbg.declare(metadata [12 x i8]* %[[I1]], metadata ![[VAR:[0-9]+]], metadata ![[PIECE1:[0-9]+]])
+; CHECK: call void @llvm.dbg.value(metadata i32 %[[A:.*]], i64 0, metadata ![[VAR]], metadata ![[PIECE2:[0-9]+]])
+; CHECK: ret i32 %[[A]]
+; Read Var and Piece:
+; CHECK: ![[VAR]] = {{.*}} ; [ DW_TAG_auto_variable ] [i1] [line 11]
+; CHECK: ![[PIECE1]] = {{.*}} ; [ DW_TAG_expression ] [DW_OP_piece offset=4, size=12]
+; CHECK: ![[PIECE2]] = {{.*}} ; [ DW_TAG_expression ] [DW_OP_piece offset=0, size=4]
+
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.9.0"
+
+%struct.Outer = type { [2 x %struct.Inner] }
+%struct.Inner = type { i32, i64 }
+
+; Function Attrs: nounwind ssp uwtable
+define i32 @foo(%struct.Outer* byval align 8 %outer) #0 {
+entry:
+ %i1 = alloca %struct.Inner, align 8
+ call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !25, metadata !2), !dbg !26
+ call void @llvm.dbg.declare(metadata %struct.Inner* %i1, metadata !27, metadata !2), !dbg !28
+ %inner = getelementptr inbounds %struct.Outer* %outer, i32 0, i32 0, !dbg !28
+ %arrayidx = getelementptr inbounds [2 x %struct.Inner]* %inner, i32 0, i64 1, !dbg !28
+ %0 = bitcast %struct.Inner* %i1 to i8*, !dbg !28
+ %1 = bitcast %struct.Inner* %arrayidx to i8*, !dbg !28
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 16, i32 8, i1 false), !dbg !28
+ %a = getelementptr inbounds %struct.Inner* %i1, i32 0, i32 0, !dbg !29
+ %2 = load i32* %a, align 4, !dbg !29
+ ret i32 %2, !dbg !29
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+; Function Attrs: nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
+
+attributes #0 = { nounwind ssp uwtable }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!22, !23}
+!llvm.ident = !{!24}
+
+!0 = !{!"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [ DW_TAG_compile_unit ] [sroasplit-1.c] [DW_LANG_C99]
+!1 = !{!"sroasplit-1.c", !""}
+!2 = !{}
+!3 = !{!4}
+!4 = !{!"0x2e\00foo\00foo\00\0010\000\001\000\006\00256\000\0010", !1, !5, !6, null, i32 (%struct.Outer*)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [ DW_TAG_subprogram ] [line 10] [def] [foo]
+!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [ DW_TAG_file_type ] [sroasplit-1.c]
+!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = !{!8, !9}
+!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = !{!"0x16\00Outer\008\000\000\000\000", !1, null, !10} ; [ DW_TAG_typedef ] [ DW_TAG_typedef ] [Outer] [line 8, size 0, align 0, offset 0] [from ]
+!10 = !{!"0x13\00\006\00256\0064\000\000\000", !1, null, null, !11, null, null, null} ; [ DW_TAG_structure_type ] [line 6, size 256, align 64, offset 0] [def] [from ]
+!11 = !{!12}
+!12 = !{!"0xd\00inner\007\00256\0064\000\000", !1, !10, !13} ; [ DW_TAG_member ] [inner] [line 7, size 256, align 64, offset 0] [from ]
+!13 = !{!"0x1\00\000\00256\0064\000\000", null, null, !14, !20, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 256, align 64, offset 0] [from Inner]
+!14 = !{!"0x16\00Inner\004\000\000\000\000", !1, null, !15} ; [ DW_TAG_typedef ] [ DW_TAG_typedef ] [Inner] [line 4, size 0, align 0, offset 0] [from ]
+!15 = !{!"0x13\00\001\00128\0064\000\000\000", !1, null, null, !16, null, null, null} ; [ DW_TAG_structure_type ] [line 1, size 128, align 64, offset 0] [def] [from ]
+!16 = !{!17, !18}
+!17 = !{!"0xd\00a\002\0032\0032\000\000", !1, !15, !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!18 = !{!"0xd\00b\003\0064\0064\0064\000", !1, !15, !19} ; [ DW_TAG_member ] [b] [line 3, size 64, align 64, offset 64] [from long int]
+!19 = !{!"0x24\00long int\000\0064\0064\000\000\005", null, null} ; [ DW_TAG_base_type ] [ DW_TAG_base_type ] [long int] [line 0, size 64, align 64, offset 0, enc DW_ATE_signed]
+!20 = !{!21}
+!21 = !{!"0x21\000\002"} ; [ DW_TAG_subrange_type ] [0, 1]
+!22 = !{i32 2, !"Dwarf Version", i32 2}
+!23 = !{i32 1, !"Debug Info Version", i32 2}
+!24 = !{!"clang version 3.5.0 "}
+!25 = !{!"0x101\00outer\0016777226\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [ DW_TAG_arg_variable ] [outer] [line 10]
+!26 = !{i32 10, i32 0, !4, null}
+!27 = !{!"0x100\00i1\0011\000", !4, !5, !14} ; [ DW_TAG_auto_variable ] [ DW_TAG_auto_variable ] [i1] [line 11]
+!28 = !{i32 11, i32 0, !4, null}
+!29 = !{i32 12, i32 0, !4, null}
--- /dev/null
+; RUN: opt %s -sroa -verify -S -o - | FileCheck %s
+;
+; Test that we can partial emit debug info for aggregates repeatedly
+; split up by SROA.
+;
+; // Compile with -O1
+; typedef struct {
+; int a;
+; int b;
+; } Inner;
+;
+; typedef struct {
+; Inner inner[2];
+; } Outer;
+;
+; int foo(Outer outer) {
+; Inner i1 = outer.inner[1];
+; return i1.a;
+; }
+;
+
+; Verify that SROA creates a variable piece when splitting i1.
+; CHECK: call void @llvm.dbg.value(metadata i64 %outer.coerce0, i64 0, metadata ![[O:[0-9]+]], metadata ![[PIECE1:[0-9]+]]),
+; CHECK: call void @llvm.dbg.value(metadata i64 %outer.coerce1, i64 0, metadata ![[O]], metadata ![[PIECE2:[0-9]+]]),
+; CHECK: call void @llvm.dbg.value({{.*}}, i64 0, metadata ![[I1:[0-9]+]], metadata ![[PIECE3:[0-9]+]]),
+; CHECK-DAG: ![[O]] = {{.*}} [ DW_TAG_arg_variable ] [outer] [line 10]
+; CHECK-DAG: ![[PIECE1]] = {{.*}} [ DW_TAG_expression ] [DW_OP_piece offset=0, size=8]
+; CHECK-DAG: ![[PIECE2]] = {{.*}} [ DW_TAG_expression ] [DW_OP_piece offset=8, size=8]
+; CHECK-DAG: ![[I1]] = {{.*}} [ DW_TAG_auto_variable ] [i1] [line 11]
+; CHECK-DAG: ![[PIECE3]] = {{.*}} [ DW_TAG_expression ] [DW_OP_piece offset=0, size=4]
+
+; ModuleID = 'sroasplit-2.c'
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.9.0"
+
+%struct.Outer = type { [2 x %struct.Inner] }
+%struct.Inner = type { i32, i32 }
+
+; Function Attrs: nounwind ssp uwtable
+define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 {
+ %outer = alloca %struct.Outer, align 8
+ %i1 = alloca %struct.Inner, align 4
+ %1 = bitcast %struct.Outer* %outer to { i64, i64 }*
+ %2 = getelementptr { i64, i64 }* %1, i32 0, i32 0
+ store i64 %outer.coerce0, i64* %2
+ %3 = getelementptr { i64, i64 }* %1, i32 0, i32 1
+ store i64 %outer.coerce1, i64* %3
+ call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !24, metadata !2), !dbg !25
+ call void @llvm.dbg.declare(metadata %struct.Inner* %i1, metadata !26, metadata !2), !dbg !27
+ %4 = getelementptr inbounds %struct.Outer* %outer, i32 0, i32 0, !dbg !27
+ %5 = getelementptr inbounds [2 x %struct.Inner]* %4, i32 0, i64 1, !dbg !27
+ %6 = bitcast %struct.Inner* %i1 to i8*, !dbg !27
+ %7 = bitcast %struct.Inner* %5 to i8*, !dbg !27
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* %6, i8* %7, i64 8, i32 4, i1 false), !dbg !27
+ %8 = getelementptr inbounds %struct.Inner* %i1, i32 0, i32 0, !dbg !28
+ %9 = load i32* %8, align 4, !dbg !28
+ ret i32 %9, !dbg !28
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+; Function Attrs: nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
+
+attributes #0 = { nounwind ssp uwtable "no-frame-pointer-elim"="true" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!21, !22}
+!llvm.ident = !{!23}
+
+!0 = !{!"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [ DW_TAG_compile_unit ] [sroasplit-2.c] [DW_LANG_C99]
+!1 = !{!"sroasplit-2.c", !""}
+!2 = !{}
+!3 = !{!4}
+!4 = !{!"0x2e\00foo\00foo\00\0010\000\001\000\006\00256\000\0010", !1, !5, !6, null, i32 (i64, i64)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [ DW_TAG_subprogram ] [line 10] [def] [foo]
+!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [ DW_TAG_file_type ] [sroasplit-2.c]
+!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = !{!8, !9}
+!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = !{!"0x16\00Outer\008\000\000\000\000", !1, null, !10} ; [ DW_TAG_typedef ] [ DW_TAG_typedef ] [Outer] [line 8, size 0, align 0, offset 0] [from ]
+!10 = !{!"0x13\00\006\00128\0032\000\000\000", !1, null, null, !11, null, null, null} ; [ DW_TAG_structure_type ] [line 6, size 128, align 32, offset 0] [def] [from ]
+!11 = !{!12}
+!12 = !{!"0xd\00inner\007\00128\0032\000\000", !1, !10, !13} ; [ DW_TAG_member ] [inner] [line 7, size 128, align 32, offset 0] [from ]
+!13 = !{!"0x1\00\000\00128\0032\000\000", null, null, !14, !19, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 128, align 32, offset 0] [from Inner]
+!14 = !{!"0x16\00Inner\004\000\000\000\000", !1, null, !15} ; [ DW_TAG_typedef ] [ DW_TAG_typedef ] [Inner] [line 4, size 0, align 0, offset 0] [from ]
+!15 = !{!"0x13\00\001\0064\0032\000\000\000", !1, null, null, !16, null, null, null} ; [ DW_TAG_structure_type ] [line 1, size 64, align 32, offset 0] [def] [from ]
+!16 = !{!17, !18}
+!17 = !{!"0xd\00a\002\0032\0032\000\000", !1, !15, !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
+!18 = !{!"0xd\00b\003\0032\0032\0032\000", !1, !15, !8} ; [ DW_TAG_member ] [b] [line 3, size 32, align 32, offset 32] [from int]
+!19 = !{!20}
+!20 = !{!"0x21\000\002"} ; [ DW_TAG_subrange_type ] [0, 1]
+!21 = !{i32 2, !"Dwarf Version", i32 2}
+!22 = !{i32 1, !"Debug Info Version", i32 2}
+!23 = !{!"clang version 3.5.0 "}
+!24 = !{!"0x101\00outer\0016777226\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [ DW_TAG_arg_variable ] [outer] [line 10]
+!25 = !{i32 10, i32 0, !4, null}
+!26 = !{!"0x100\00i1\0011\000", !4, !5, !14} ; [ DW_TAG_auto_variable ] [ DW_TAG_auto_variable ] [i1] [line 11]
+!27 = !{i32 11, i32 0, !4, null}
+!28 = !{i32 12, i32 0, !4, null}
--- /dev/null
+; RUN: opt %s -sroa -verify -S -o - | FileCheck %s
+; ModuleID = 'test.c'
+; Test that SROA updates the debug info correctly if an alloca was rewritten but
+; not partitioned into multiple allocas.
+;
+; CHECK: call void @llvm.dbg.value(metadata float %s.coerce, i64 0, metadata ![[VAR:[0-9]+]], metadata ![[EXPR:[0-9]+]])
+; CHECK: ![[VAR]] = {{.*}} [ DW_TAG_arg_variable ] [s] [line 3]
+; CHECK: ![[EXPR]] = {{.*}} [ DW_TAG_expression ]
+; CHECK-NOT: DW_OP_piece
+
+;
+; struct S { float f; };
+;
+; float foo(struct S s) {
+; return s.f;
+; }
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.10.0"
+
+%struct.S = type { float }
+
+; Function Attrs: nounwind ssp uwtable
+define float @foo(float %s.coerce) #0 {
+entry:
+ %s = alloca %struct.S, align 4
+ %coerce.dive = getelementptr %struct.S* %s, i32 0, i32 0
+ store float %s.coerce, float* %coerce.dive, align 1
+ call void @llvm.dbg.declare(metadata %struct.S* %s, metadata !16, metadata !17), !dbg !18
+ %f = getelementptr inbounds %struct.S* %s, i32 0, i32 0, !dbg !19
+ %0 = load float* %f, align 4, !dbg !19
+ ret float %0, !dbg !19
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { nounwind ssp uwtable }
+attributes #1 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!12, !13, !14}
+!llvm.ident = !{!15}
+
+!0 = !{!"0x11\0012\00clang version 3.6.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/Volumes/Data/llvm/_build.ninja.debug/test.c] [DW_LANG_C99]
+!1 = !{!"test.c", !"/Volumes/Data/llvm/_build.ninja.debug"}
+!2 = !{}
+!3 = !{!4}
+!4 = !{!"0x2e\00foo\00foo\00\003\000\001\000\000\00256\000\003", !1, !5, !6, null, float (float)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [foo]
+!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/Volumes/Data/llvm/_build.ninja.debug/test.c]
+!6 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = !{!8, !9}
+!8 = !{!"0x24\00float\000\0032\0032\000\000\004", null, null} ; [ DW_TAG_base_type ] [float] [line 0, size 32, align 32, offset 0, enc DW_ATE_float]
+!9 = !{!"0x13\00S\001\0032\0032\000\000\000", !1, null, null, !10, null, null, null} ; [ DW_TAG_structure_type ] [S] [line 1, size 32, align 32, offset 0] [def] [from ]
+!10 = !{!11}
+!11 = !{!"0xd\00f\001\0032\0032\000\000", !1, !9, !8} ; [ DW_TAG_member ] [f] [line 1, size 32, align 32, offset 0] [from float]
+!12 = !{i32 2, !"Dwarf Version", i32 2}
+!13 = !{i32 2, !"Debug Info Version", i32 2}
+!14 = !{i32 1, !"PIC Level", i32 2}
+!15 = !{!"clang version 3.6.0 "}
+!16 = !{!"0x101\00s\0016777219\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [s] [line 3]
+!17 = !{!"0x102"} ; [ DW_TAG_expression ]
+!18 = !{i32 3, i32 20, !4, null}
+!19 = !{i32 4, i32 2, !4, null}
projects / oota-llvm.git / commitdiff