[llvm-commits] [llvm] r94432 - in /llvm/trunk: lib/Transforms/Utils/PromoteMemoryToRegister.cpp test/Transforms/Mem2Reg/ConvertDebugInfo.ll
Victor Hernandez
vhernandez at apple.com
Mon Jan 25 09:52:13 PST 2010
Author: hernande
Date: Mon Jan 25 11:52:13 2010
New Revision: 94432
URL: http://llvm.org/viewvc/llvm-project?rev=94432&view=rev
Log:
Revert r94260 until findDbgDeclare() is made more efficient
Removed:
llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
Modified:
llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
Modified: llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp?rev=94432&r1=94431&r2=94432&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp Mon Jan 25 11:52:13 2010
@@ -23,7 +23,6 @@
#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
-#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/ADT/DenseMap.h"
@@ -164,7 +163,6 @@
std::vector<AllocaInst*> Allocas;
DominatorTree &DT;
DominanceFrontier &DF;
- DIFactory *DIF;
/// AST - An AliasSetTracker object to update. If null, don't update it.
///
@@ -201,7 +199,7 @@
public:
PromoteMem2Reg(const std::vector<AllocaInst*> &A, DominatorTree &dt,
DominanceFrontier &df, AliasSetTracker *ast)
- : Allocas(A), DT(dt), DF(df), DIF(0), AST(ast) {}
+ : Allocas(A), DT(dt), DF(df), AST(ast) {}
void run();
@@ -243,9 +241,8 @@
LargeBlockInfo &LBI);
void PromoteSingleBlockAlloca(AllocaInst *AI, AllocaInfo &Info,
LargeBlockInfo &LBI);
- void ConvertDebugDeclareToDebugValue(DbgDeclareInst *DDI, StoreInst* SI,
- uint64_t Offset);
-
+
+
void RenamePass(BasicBlock *BB, BasicBlock *Pred,
RenamePassData::ValVector &IncVals,
std::vector<RenamePassData> &Worklist);
@@ -309,19 +306,6 @@
} // end of anonymous namespace
-/// Finds the llvm.dbg.declare intrinsic corresponding to an alloca if any.
-static DbgDeclareInst *findDbgDeclare(AllocaInst *AI) {
- Function *F = AI->getParent()->getParent();
- for (Function::iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI)
- for (BasicBlock::iterator BI = (*FI).begin(), BE = (*FI).end();
- BI != BE; ++BI)
- if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI))
- if (DDI->getAddress() == AI)
- return DDI;
-
- return 0;
-}
-
void PromoteMem2Reg::run() {
Function &F = *DF.getRoot()->getParent();
@@ -360,8 +344,6 @@
// Finally, after the scan, check to see if the store is all that is left.
if (Info.UsingBlocks.empty()) {
- // Record debuginfo for the store before removing it.
- ConvertDebugDeclareToDebugValue(findDbgDeclare(AI), Info.OnlyStore, 0);
// Remove the (now dead) store and alloca.
Info.OnlyStore->eraseFromParent();
LBI.deleteValue(Info.OnlyStore);
@@ -388,11 +370,8 @@
if (Info.UsingBlocks.empty()) {
// Remove the (now dead) stores and alloca.
- DbgDeclareInst *DDI = findDbgDeclare(AI);
while (!AI->use_empty()) {
StoreInst *SI = cast<StoreInst>(AI->use_back());
- // Record debuginfo for the store before removing it.
- ConvertDebugDeclareToDebugValue(DDI, SI, 0);
SI->eraseFromParent();
LBI.deleteValue(SI);
}
@@ -854,18 +833,6 @@
}
}
-// Inserts a llvm.dbg.value instrinsic before the stores to an alloca'd value
-// that has an associated llvm.dbg.decl intrinsic.
-void PromoteMem2Reg::ConvertDebugDeclareToDebugValue(DbgDeclareInst *DDI,
- StoreInst* SI,
- uint64_t Offset) {
- if (!DDI) return;
-
- if (!DIF)
- DIF = new DIFactory(*SI->getParent()->getParent()->getParent());
- DIF->InsertDbgValueIntrinsic(SI->getOperand(0), Offset,
- DIVariable(DDI->getVariable()), SI);
-}
// QueuePhiNode - queues a phi-node to be added to a basic-block for a specific
// Alloca returns true if there wasn't already a phi-node for that variable
@@ -979,8 +946,6 @@
// what value were we writing?
IncomingVals[ai->second] = SI->getOperand(0);
- // Record debuginfo for the store before removing it.
- ConvertDebugDeclareToDebugValue(findDbgDeclare(Dest), SI, 0);
BB->getInstList().erase(SI);
}
}
Removed: llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo.ll?rev=94431&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo.ll (original)
+++ llvm/trunk/test/Transforms/Mem2Reg/ConvertDebugInfo.ll (removed)
@@ -1,31 +0,0 @@
-; RUN: opt < %s -mem2reg -S | FileCheck %s
-
-target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
-
-define double @testfunc(i32 %i, double %j) {
- %I = alloca i32 ; <i32*> [#uses=4]
- call void @llvm.dbg.declare(metadata !{i32* %I}, metadata !0)
- %J = alloca double ; <double*> [#uses=2]
- call void @llvm.dbg.declare(metadata !{double* %J}, metadata !1)
-; CHECK: call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !0)
- store i32 %i, i32* %I
-; CHECK: call void @llvm.dbg.value(metadata !{double %j}, i64 0, metadata !1)
- store double %j, double* %J
- %t1 = load i32* %I ; <i32> [#uses=1]
- %t2 = add i32 %t1, 1 ; <i32> [#uses=1]
- store i32 %t2, i32* %I
- %t3 = load i32* %I ; <i32> [#uses=1]
- %t4 = sitofp i32 %t3 to double ; <double> [#uses=1]
- %t5 = load double* %J ; <double> [#uses=1]
- %t6 = fmul double %t4, %t5 ; <double> [#uses=1]
- ret double %t6
-}
-
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
-
-!bar = !{!0}
-!foo = !{!2}
-
-!0 = metadata !{i32 459008, metadata !1, metadata !"foo", metadata !2, i32 5, metadata !"foo"} ; [ DW_TAG_auto_variable ]
-!1 = metadata !{i32 459008, metadata !1, metadata !"foo", metadata !0, i32 5, metadata !1} ; [ DW_TAG_auto_variable ]
-!2 = metadata !{i32 458804, i32 0, metadata !2, metadata !"foo", metadata !"bar", metadata !"bar", metadata !2, i32 3, metadata !0, i1 false, i1 true} ; [ DW_TAG_variable ]
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