[llvm] r183579 - Revert commits related to stack warning.
Quentin Colombet
qcolombet at apple.com
Fri Jun 7 15:14:51 PDT 2013
Author: qcolombet
Date: Fri Jun 7 17:14:50 2013
New Revision: 183579
URL: http://llvm.org/viewvc/llvm-project?rev=183579&view=rev
Log:
Revert commits related to stack warning.
Removed:
llvm/trunk/test/CodeGen/ARM/warn-stack.ll
llvm/trunk/test/CodeGen/X86/warn-stack.ll
Modified:
llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=183579&r1=183578&r2=183579&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
+++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Fri Jun 7 17:14:50 2013
@@ -35,7 +35,6 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
@@ -47,11 +46,6 @@ using namespace llvm;
char PEI::ID = 0;
char &llvm::PrologEpilogCodeInserterID = PEI::ID;
-static cl::opt<uint64_t>
-WarnStackSize("warn-stack-size", cl::Hidden,
- cl::desc("Warn for stack size bigger than the given"
- " number"));
-
INITIALIZE_PASS_BEGIN(PEI, "prologepilog",
"Prologue/Epilogue Insertion", false, false)
INITIALIZE_PASS_DEPENDENCY(MachineLoopInfo)
@@ -134,13 +128,6 @@ bool PEI::runOnMachineFunction(MachineFu
// Clear any vregs created by virtual scavenging.
Fn.getRegInfo().clearVirtRegs();
- // Warn on stack size when we exceeds the given limit.
- MachineFrameInfo *MFI = Fn.getFrameInfo();
- if (WarnStackSize.getNumOccurrences() > 0 &&
- WarnStackSize < MFI->getStackSize())
- errs() << "warning: Stack size limit exceeded (" << MFI->getStackSize()
- << ") in " << Fn.getName() << ".\n";
-
delete RS;
clearAllSets();
return true;
Removed: llvm/trunk/test/CodeGen/ARM/warn-stack.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/warn-stack.ll?rev=183578&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/warn-stack.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/warn-stack.ll (removed)
@@ -1,24 +0,0 @@
-; RUN: llc -mtriple thumbv7-apple-ios3.0.0 -warn-stack-size=80 < %s 2>&1 >/dev/null | FileCheck %s
-; Check the internal option that warns when the stack size exceeds the
-; given amount.
-; <rdar://13987214>
-
-; CHECK-NOT: nowarn
-define void @nowarn() nounwind ssp {
-entry:
- %buffer = alloca [12 x i8], align 1
- %arraydecay = getelementptr inbounds [12 x i8]* %buffer, i64 0, i64 0
- call void @doit(i8* %arraydecay) nounwind
- ret void
-}
-
-; CHECK: warning: Stack size limit exceeded (96) in warn.
-define void @warn() nounwind ssp {
-entry:
- %buffer = alloca [80 x i8], align 1
- %arraydecay = getelementptr inbounds [80 x i8]* %buffer, i64 0, i64 0
- call void @doit(i8* %arraydecay) nounwind
- ret void
-}
-
-declare void @doit(i8*)
Removed: llvm/trunk/test/CodeGen/X86/warn-stack.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/warn-stack.ll?rev=183578&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/warn-stack.ll (original)
+++ llvm/trunk/test/CodeGen/X86/warn-stack.ll (removed)
@@ -1,24 +0,0 @@
-; RUN: llc -mtriple x86_64-apple-10.8.0 -warn-stack-size=80 < %s 2>&1 >/dev/null | FileCheck %s
-; Check the internal option that warns when the stack size exceeds the
-; given amount.
-; <rdar://13987214>
-
-; CHECK-NOT: nowarn
-define void @nowarn() nounwind ssp {
-entry:
- %buffer = alloca [12 x i8], align 1
- %arraydecay = getelementptr inbounds [12 x i8]* %buffer, i64 0, i64 0
- call void @doit(i8* %arraydecay) nounwind
- ret void
-}
-
-; CHECK: warning: Stack size limit exceeded (88) in warn.
-define void @warn() nounwind ssp {
-entry:
- %buffer = alloca [80 x i8], align 1
- %arraydecay = getelementptr inbounds [80 x i8]* %buffer, i64 0, i64 0
- call void @doit(i8* %arraydecay) nounwind
- ret void
-}
-
-declare void @doit(i8*)
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