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Revert commits related to stack warning.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Quentin Colombet 2013-06-07 22:14:50 +00:00
parent 2e10e8e378
commit 95f24fbe4c
3 changed files with 0 additions and 61 deletions
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13
lib/CodeGen/PrologEpilogInserter.cpp
View File

@ -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(MachineFunction &Fn) {
// 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;

24
test/CodeGen/ARM/warn-stack.ll
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@ -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*)

24
test/CodeGen/X86/warn-stack.ll
View File

@ -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*)