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authorYuri Gorshenin <ygorshenin@google.com>2014-10-13 11:44:06 +0000
committerYuri Gorshenin <ygorshenin@google.com>2014-10-13 11:44:06 +0000
commitab1b88ab59ace17763e5cae2abb4d5908a897b14 (patch)
treed7b82408e1e64ac50edc35e76b6f6d625d8821da /llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
parent3f840a934eaac729e5ce17ddcd8ebb6565018d24 (diff)
downloadbcm5719-llvm-ab1b88ab59ace17763e5cae2abb4d5908a897b14.tar.gz
bcm5719-llvm-ab1b88ab59ace17763e5cae2abb4d5908a897b14.zip
[asan-asm-instrumentation] Follow-up fixes to r219602: asserts are moved into
function. llvm-svn: 219610
Diffstat (limited to 'llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp')
-rw-r--r--llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp16
1 files changed, 8 insertions, 8 deletions
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
index 1f1a9df10b3..dbc5f281461 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
@@ -39,14 +39,14 @@ static cl::opt<bool> ClAsanInstrumentAssembly(
const int64_t MinAllowedDisplacement = std::numeric_limits<int32_t>::min();
const int64_t MaxAllowedDisplacement = std::numeric_limits<int32_t>::max();
-int64_t ApplyBounds(int64_t Displacement) {
+int64_t ApplyDisplacementBounds(int64_t Displacement) {
return std::max(std::min(MaxAllowedDisplacement, Displacement),
MinAllowedDisplacement);
}
-bool InBounds(int64_t Displacement) {
- return Displacement >= MinAllowedDisplacement &&
- Displacement <= MaxAllowedDisplacement;
+void CheckDisplacementBounds(int64_t Displacement) {
+ assert(Displacement >= MinAllowedDisplacement &&
+ Displacement <= MaxAllowedDisplacement);
}
bool IsStackReg(unsigned Reg) { return Reg == X86::RSP || Reg == X86::ESP; }
@@ -339,7 +339,7 @@ void X86AddressSanitizer::ComputeMemOperandAddress(X86Operand &Op,
while (Residue != 0) {
const MCConstantExpr *Disp =
- MCConstantExpr::Create(ApplyBounds(Residue), Ctx);
+ MCConstantExpr::Create(ApplyDisplacementBounds(Residue), Ctx);
std::unique_ptr<X86Operand> DispOp =
X86Operand::CreateMem(0, Disp, Reg, 0, 1, SMLoc(), SMLoc());
EmitLEA(*DispOp, VT, Reg, Out);
@@ -362,11 +362,11 @@ X86AddressSanitizer::AddDisplacement(X86Operand &Op, int64_t Displacement,
int64_t OrigDisplacement =
static_cast<const MCConstantExpr *>(Op.getMemDisp())->getValue();
- assert(InBounds(OrigDisplacement));
+ CheckDisplacementBounds(OrigDisplacement);
Displacement += OrigDisplacement;
- int64_t NewDisplacement = ApplyBounds(Displacement);
- assert(InBounds(NewDisplacement));
+ int64_t NewDisplacement = ApplyDisplacementBounds(Displacement);
+ CheckDisplacementBounds(NewDisplacement);
*Residue = Displacement - NewDisplacement;
const MCExpr *Disp = MCConstantExpr::Create(NewDisplacement, Ctx);
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