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Fix some comment typos. NFC.

This commit is contained in:
Simon Pilgrim 2020-01-24 18:16:28 +00:00
parent 0d90d2457c
commit abd1927d44
1 changed files with 9 additions and 9 deletions
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18
llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
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@ -62,7 +62,7 @@
///
/// Origins are meaningless for fully initialized values, so MemorySanitizer
/// avoids storing origin to memory when a fully initialized value is stored.
/// This way it avoids needless overwritting origin of the 4-byte region on
/// This way it avoids needless overwriting origin of the 4-byte region on
/// a short (i.e. 1 byte) clean store, and it is also good for performance.
///
/// Atomic handling.
@ -611,7 +611,7 @@ void insertModuleCtor(Module &M) {
/// A legacy function pass for msan instrumentation.
///
/// Instruments functions to detect unitialized reads.
/// Instruments functions to detect uninitialized reads.
struct MemorySanitizerLegacyPass : public FunctionPass {
// Pass identification, replacement for typeid.
static char ID;
@ -2533,7 +2533,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
/// The main purpose of this code is to do something reasonable with all
/// random intrinsics we might encounter, most importantly - SIMD intrinsics.
/// We recognize several classes of intrinsics by their argument types and
/// ModRefBehaviour and apply special intrumentation when we are reasonably
/// ModRefBehaviour and apply special instrumentation when we are reasonably
/// sure that we know what the intrinsic does.
///
/// We special-case intrinsics where this approach fails. See llvm.bswap
@ -2594,7 +2594,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
setOrigin(&I, getOrigin(Op));
}
// Instrument vector convert instrinsic.
// Instrument vector convert intrinsic.
//
// This function instruments intrinsics like cvtsi2ss:
// %Out = int_xxx_cvtyyy(%ConvertOp)
@ -2697,7 +2697,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
return IRB.CreateSExt(S2, T);
}
// Instrument vector shift instrinsic.
// Instrument vector shift intrinsic.
//
// This function instruments intrinsics like int_x86_avx2_psll_w.
// Intrinsic shifts %In by %ShiftSize bits.
@ -2762,7 +2762,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
}
}
// Instrument vector pack instrinsic.
// Instrument vector pack intrinsic.
//
// This function instruments intrinsics like x86_mmx_packsswb, that
// packs elements of 2 input vectors into half as many bits with saturation.
@ -2805,7 +2805,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
setOriginForNaryOp(I);
}
// Instrument sum-of-absolute-differencies intrinsic.
// Instrument sum-of-absolute-differences intrinsic.
void handleVectorSadIntrinsic(IntrinsicInst &I) {
const unsigned SignificantBitsPerResultElement = 16;
bool isX86_MMX = I.getOperand(0)->getType()->isX86_MMXTy();
@ -4302,7 +4302,7 @@ struct VarArgAArch64Helper : public VarArgHelper {
// for 128-bit FP/SIMD vn-v7).
// We need then to propagate the shadow arguments on both regions
// 'va::__gr_top + va::__gr_offs' and 'va::__vr_top + va::__vr_offs'.
// The remaning arguments are saved on shadow for 'va::stack'.
// The remaining arguments are saved on shadow for 'va::stack'.
// One caveat is it requires only to propagate the non-named arguments,
// however on the call site instrumentation 'all' the arguments are
// saved. So to copy the shadow values from the va_arg TLS array
@ -4403,7 +4403,7 @@ struct VarArgPowerPC64Helper : public VarArgHelper {
Triple TargetTriple(F.getParent()->getTargetTriple());
// Parameter save area starts at 48 bytes from frame pointer for ABIv1,
// and 32 bytes for ABIv2. This is usually determined by target
// endianness, but in theory could be overriden by function attribute.
// endianness, but in theory could be overridden by function attribute.
// For simplicity, we ignore it here (it'd only matter for QPX vectors).
if (TargetTriple.getArch() == Triple::ppc64)
VAArgBase = 48;