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19 Commits

Author SHA1 Message Date
NAKAMURA Takumi
4d3b6d43cc Reformat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238126 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-25 01:43:34 +00:00
NAKAMURA Takumi
f61fb0c9a7 Prune CRLFs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238125 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-25 01:43:23 +00:00
Yaron Keren
0401f798d1 Teach Twine to support SmallString. 
Enable removing .str() member calls for these frequent cases. 

 http://reviews.llvm.org/D6372



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232465 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-03-17 09:51:17 +00:00
Eric Christopher
0115a4ef95 Remove unnecessary llvm:: qualification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202316 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-26 23:27:16 +00:00
Chris Lattner
3f25ee080c Add Twine support for characters, and switch twine to use a union internally 
to eliminate some casting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135888 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-24 20:44:30 +00:00
Frits van Bommel
331dbca73d In Twine::str(), if the Twine stores only a std::string, just return a direct copy of that instead of first copying to a SmallString and converting that to a std::string. Also fix some indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135267 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-15 11:05:37 +00:00
Michael J. Spencer
0dda5437f8 Support/ADT/Twine: Make toNullTerminatedStringRef not rely on UB :(. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-03 05:42:25 +00:00
Michael J. Spencer
7dc7ac3cb2 Support/ADT/Twine: Add toNullTerminatedStringRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-01 20:37:30 +00:00
Michael J. Spencer
326990f1eb Fix Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120166 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-26 04:16:08 +00:00
Chris Lattner
ea03e10fac Implement rdar://7415680 - Twine integer support lacks greatness 
Microoptimize Twine's with unsigned and int to not pin their value to
the stack.  This saves stack space in common cases and allows mem2reg
in the caller.  A simple example is:

void foo(const Twine &);
void bar(int x) {
  foo("xyz: " + Twine(x));
}

Before:

__Z3bari:
	subq	$40, %rsp
	movl	%edi, 36(%rsp)
	leaq	L_.str3(%rip), %rax
	leaq	36(%rsp), %rcx
	leaq	8(%rsp), %rdi
	movq	%rax, 8(%rsp)
	movq	%rcx, 16(%rsp)
	movb	$3, 24(%rsp)
	movb	$7, 25(%rsp)
	callq	__Z3fooRKN4llvm5TwineE
	addq	$40, %rsp
	ret

After:

__Z3bari:
	subq	$24, %rsp
	leaq	L_.str3(%rip), %rax
	movq	%rax, (%rsp)
	movslq	%edi, %rax
	movq	%rax, 8(%rsp)
	movb	$3, 16(%rsp)
	movb	$7, 17(%rsp)
	leaq	(%rsp), %rdi
	callq	__Z3fooRKN4llvm5TwineE
	addq	$24, %rsp
	ret

It saves 16 bytes of stack and one instruction in this case.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-05 18:40:33 +00:00
Benjamin Kramer
b357e06f67 Introduce Twine::toStringRef, a variant of toVector which avoids the copy if the 
twine can be represented as a single StringRef. Use the new methode to simplify
some twine users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-13 12:45:23 +00:00
David Greene
2b965b05fc Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:28:40 +00:00
Daniel Dunbar
b7be0e8afc Switch Twine::str() to use toVector(), which is now efficient. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-19 18:09:47 +00:00
Daniel Dunbar
2b800dfa6b Add missing flush(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-02 04:12:28 +00:00
Daniel Dunbar
2d8bc0fe70 Twine: Directly support int, long, and long long types. 
- This should resolve Cygwin gcc ambiguities.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77624 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 21:15:14 +00:00
Daniel Dunbar
0fffbafa96 Twine: Use raw_ostream::write_hex, remove unused itohexstr method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77617 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 18:30:19 +00:00
Daniel Dunbar
0165a2ca89 Twine: Provide [u]int{32,64} conversions via implicit constructors instead of 
explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77576 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 03:47:15 +00:00
Daniel Dunbar
763457e70b Twines: Support numeric conversion directly (uitostr, etc). 
- Provides static constructors for doing number to string conversions without
   using temporaries.

 - There are several ways to do this, I think given the Twine constraints this
   is the simplest one.

 - One FIXME for fast number -> hex conversion.

 - Added another comment on one last major bit of perf work Twines need, which
   is to make raw_svector_ostream more efficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 07:08:44 +00:00
Daniel Dunbar
2538f7ab2e Add Twine ADT. 
- Not currently used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76956 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 07:04:27 +00:00