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36 Commits

Author SHA1 Message Date
Stephen Lin 4362261b00 CHECK-LABEL-ify some code gen tests to improve diagnostic experience when tests fail. 
llvm-svn: 188447
 2013-08-15 06:47:53 +00:00
Benjamin Kramer 320f188859 Make test pass in Release builds, which use a different naming scheme for llvm values. 
llvm-svn: 162771
 2012-08-28 18:11:31 +00:00
Michael Liao bf48b1b8e4 Merge test case for PR13704 into exprs.c to reduce test cases 
llvm-svn: 162769
 2012-08-28 17:46:11 +00:00
John McCall 294c2db42b Ensure an insertion point at the end of a statement-expression. 
Fixes PR8967.

llvm-svn: 123360
 2011-01-13 02:03:06 +00:00
John McCall 594827281c Silly special case: never load when dereferencing void*. 
llvm-svn: 120905
 2010-12-04 12:43:24 +00:00
John McCall ca61b6567b First pass at implementing the intent of ANSI C DR106. 
llvm-svn: 120904
 2010-12-04 12:29:11 +00:00
Daniel Dunbar 30eb5fa3ba Improve test coverage. 
llvm-svn: 111712
 2010-08-21 02:46:28 +00:00
Daniel Dunbar 99e13101b2 tests: Fix test to not depend on instruction names. 
llvm-svn: 107186
 2010-06-29 18:34:40 +00:00
Chris Lattner d250b8e9a8 tweak test to pass on windows 
llvm-svn: 107040
 2010-06-28 18:29:14 +00:00
Chris Lattner c1028f689e Fix UnitTests/2004-02-02-NegativeZero.c, which regressed when 
I broke negate of FP values.

llvm-svn: 107019
 2010-06-28 17:12:37 +00:00
Chris Lattner e01d966ce2 merge two tests. 
llvm-svn: 106971
 2010-06-27 01:08:03 +00:00
Chris Lattner 6c5abe88bf Implement rdar://7530813 - collapse multiple GEP instructions in IRgen 
This avoids generating two gep's for common array operations.  Before
we would generate something like:

  %tmp = load i32* %X.addr                        ; <i32> [#uses=1]
  %arraydecay = getelementptr inbounds [100 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
  %arrayidx = getelementptr inbounds i32* %arraydecay, i32 %tmp ; <i32*> [#uses=1]
  %tmp1 = load i32* %arrayidx                     ; <i32> [#uses=1]

Now we generate:

  %tmp = load i32* %X.addr                        ; <i32> [#uses=1]
  %arrayidx = getelementptr inbounds [100 x i32]* %A, i32 0, i32 %tmp ; <i32*> [#uses=1]
  %tmp1 = load i32* %arrayidx                     ; <i32> [#uses=1]

Less IR is better at -O0.

llvm-svn: 106966
 2010-06-26 23:03:20 +00:00
Chris Lattner 51924e517b Implement support for -fwrapv, rdar://7221421 
As part of this, pull together trapv handling into the same enum.

This also add support for NSW multiplies.

This also makes PCH disagreement on overflow behavior silent, since it
really doesn't matter except for warnings and codegen (no macros get 
defined etc).

llvm-svn: 106956
 2010-06-26 21:25:03 +00:00
Chris Lattner 217e056e40 implement rdar://7432000 - signed negate should codegen as NSW. 
While I'm in there, adjust pointer to member adjustments as well.

llvm-svn: 106955
 2010-06-26 20:27:24 +00:00
Daniel Dunbar 8fbe78f6fc Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'. 
- This is designed to make it obvious that %clang_cc1 is a "test variable"
   which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
   can be useful to redefine what gets run as 'clang -cc1' (for example, to set
   a default target).

llvm-svn: 91446
 2009-12-15 20:14:24 +00:00
Chris Lattner 0f3a228e73 add 'F' to a bunch of libm builtins so that codegen doesn't die on them, 
pointed out by Charles Davis.

llvm-svn: 90736
 2009-12-07 02:09:14 +00:00
Mike Stump 11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Mike Stump 5e7869f63e Prep for new warning. 
llvm-svn: 76638
 2009-07-21 20:52:43 +00:00
Chris Lattner e541ea3a61 implement l-value codegen of comma expr 
llvm-svn: 71595
 2009-05-12 21:28:12 +00:00
Chris Lattner a4185c543e fix PR4067: [Linux kernel] cannot aggregate codegen stmtexpr as lvalue 
llvm-svn: 70067
 2009-04-25 19:35:26 +00:00
Chris Lattner 2f343dd5c8 fix PR4026: Clang can't codegen __func__ without implicit cast 
llvm-svn: 69747
 2009-04-21 23:00:09 +00:00
Daniel Dunbar bf1fe8c36c Support member reference on ?: of struct type. 
llvm-svn: 67603
 2009-03-24 02:38:23 +00:00
Daniel Dunbar a45cf5b6b0 Rename clang to clang-cc. 
Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
 2009-03-24 02:24:46 +00:00
Chris Lattner ab17fb2c98 fix the more complex cases by actually codegen'ing the right expr :) 
llvm-svn: 67219
 2009-03-18 18:30:44 +00:00
Chris Lattner 28bcf1a429 add codegen support for casting an element to a union. 
There are some more complex cases (_Complex and structs)
that I'm still working on.

llvm-svn: 67218
 2009-03-18 18:28:57 +00:00
Chris Lattner c2a0b97950 fix PR3809, codegen for inc/dec of function pointers. 
llvm-svn: 67165
 2009-03-18 04:25:13 +00:00
Chris Lattner 63d06ab65a teach codegen to handle noop casts as lvalues. 
llvm-svn: 67164
 2009-03-18 04:02:57 +00:00
Chris Lattner 60dcdc7062 finish off codegen support for sub of pointer to functions, 
finishing off rdar://6520707

llvm-svn: 64295
 2009-02-11 07:21:43 +00:00
Nuno Lopes 0e33c688d5 fix folding of '*doubleArray' 
llvm-svn: 59647
 2008-11-19 17:44:31 +00:00
Nuno Lopes e236a48210 fix folding of comma if given a non-constant operand. 
Eli please take a look, as I'm not sure if this gets the extension warning in the right place

llvm-svn: 59422
 2008-11-16 20:09:07 +00:00
Chris Lattner e6c693d932 Fix a bug where we didn't promote 'const float' (or typedefs) to 
double in some places.

llvm-svn: 52846
 2008-06-27 22:48:56 +00:00
Chris Lattner 3b418d8446 implement codegen support for sizeof(void), fixing PR2080. 
llvm-svn: 47429
 2008-02-21 05:45:29 +00:00
Chris Lattner a94035bbb8 Fix PR1921 by promoting negative indices to intptrty. 
llvm-svn: 46599
 2008-01-31 04:12:50 +00:00
Chris Lattner 05ba4cbe17 fix a problem reported by Eli, caused by not keeping bool as i1 
when in a register.

llvm-svn: 46552
 2008-01-30 07:01:17 +00:00
Chris Lattner 20455f204f Fix a crash reported by Seo Sanghyeon. 
llvm-svn: 45530
 2008-01-03 06:36:51 +00:00
Chris Lattner 7977cca8e8 Fix PR1895: a crash on an ugly gcc extension. 
llvm-svn: 45505
 2008-01-02 21:54:09 +00:00