stomp some more undefined behavior, PR7775.

llvm-svn: 111337

Don't pass StringRef by reference.

llvm-svn: 108366

improve portability to systems that don't have round, patch by
Evzen Muller!

llvm-svn: 103877

improve portability to minix, patch by
Kees van Reeuwijk for PR6704

llvm-svn: 99677

Fix minor style issues.

llvm-svn: 99414

Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-width
payloads. APFloat's internal folding routines always make QNaNs now,
instead of sometimes making QNaNs and sometimes SNaNs d

Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-width
payloads. APFloat's internal folding routines always make QNaNs now,
instead of sometimes making QNaNs and sometimes SNaNs depending on the
type.

llvm-svn: 97364

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Fix "the the" and similar typos.

llvm-svn: 95781

Make APInt::countLeadingZerosSlowCase() treat the contents of padding bits
as undefined. Fixes an assertion in APFloat::toString noticed by Dale.

llvm-svn: 95196

Change errs() to dbgs().

llvm-svn: 92643

Set Remainder before Quotient in case Quotient and LHS alias. The new
order should be immune to such problems.

llvm-svn: 92124

Tabs -> spaces, and remove trailing whitespace.

llvm-svn: 82355

Remove some unused variables and methods warned about by
icc (#177, partial). Patch by Erick Tryzelaar.

llvm-svn: 81106

remove the dead std::ostream APInt inserter

llvm-svn: 79875

Clean up the APInt function getDigit.

llvm-svn: 79602

Update error messages for '+'. Fix grammar and make the two
negative checks resemble each other.

llvm-svn: 79595

Fix trailing whitespace and 80-col violation.

llvm-svn: 79594

Fix bug with APInt::getBitsNeeded with for base 10 numbers 0-9.

llvm-svn: 79593

Allow '+' to appear in APInt strings, and add more unit tests.

llvm-svn: 79592

Switch to SmallString::str from SmallString::c_str, and remove
SmallString::c_str.

llvm-svn: 79456

Convert APint::{fromString,APInt,getBitsNeeded} to use StringRef.
- Patch by Erick Tryzelaar, with some edits (and a bug fix) from me.

llvm-svn: 78885

Add attempted idiotproofing comment per review.

llvm-svn: 78825

Fix a nondeterministic bug in APInt::roundToDouble;
when !isSingleWord() but getActiveBits() is small,
we were using the pointer value instead of the low
word of the integer value.

llvm-svn: 78821

llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location i

llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640

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Switch to raw_ostream.

llvm-svn: 75451

assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG bu

assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379

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