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10 Commits

Author SHA1 Message Date
Daniel Sanders 1f4bd3dd89 [ubsan][mips] Revise r243384 to avoid special casing big-endian mips. 
Account for the case when uptr is 32-bit instead of trying to fix this case
using the little endian path.

llvm-svn: 244646
 2015-08-11 18:40:02 +00:00
Sagar Thakur 13af03286e [UBSan][MIPS] Fix cast-overflow tests for mips big endian 
This fixes the bug https://llvm.org/bugs/show_bug.cgi?id=24152
The float value resides in the first 4 bytes of ValueHandle for both mips and mipsel.

Reviewers: dsanders, samsonov
Subscibers: rsmith, hans, mohit.bhakkad, jaydeep, llvm-commits
Differential: http://reviews.llvm.org/D11448
llvm-svn: 243384
 2015-07-28 05:51:51 +00:00
Bill Seurer 4c41366510 [PPC64]This activates UBSan for the power architecture. 
One test case is updated to allow for differences between power and other architectures in behavior when returning from main in certain instances

http://reviews.llvm.org/D8743

llvm-svn: 233813
 2015-04-01 15:33:22 +00:00
Alexey Samsonov 0781e98cc7 [UBSan] Explicitly list all supported OS/arch pairs supported by UBSan. 
llvm-svn: 233295
 2015-03-26 17:26:04 +00:00
Kostya Serebryany a72efdff9e [ubsan] handle long double in 32-bit mode; part of the patch by Marek Polacek 
llvm-svn: 209516
 2014-05-23 14:45:13 +00:00
Richard Smith b30d11194c ubsan: Pass floating-point arguments to the runtime by value if they fit the 
value argument.

llvm-svn: 177689
 2013-03-22 00:47:05 +00:00
Richard Smith feea5d6fb4 Provide a slightly more helpful diagnostic if -fcatch-undefined-behavior finds 
a problem with __int128 arithmetic but the runtime was not built with __int128
support.

llvm-svn: 165913
 2012-10-14 23:53:37 +00:00
Chandler Carruth eea8a48218 Fix the bootstrap of CompilerRT with host compilers that don't support 
emulating 128-bit arithmetic on 32-bit x86 targets. This should get the
bootstrap back for GCC 4.6 at least.

Suggestions on better ways to do the detection here are welcome...

llvm-svn: 165863
 2012-10-13 02:30:10 +00:00
Richard Smith 7247b23efc -fcatch-undefined-behavior: Runtime library support for trapping conversions to or 
from a floating-point type where the source value is not in the range of
representable values of the destination type.

llvm-svn: 165844
 2012-10-12 22:57:15 +00:00
Richard Smith 68b3014cd3 Add a runtime diagnostics library for Clang's -fcatch-undefined-behavior. 
llvm-svn: 165533
 2012-10-09 19:34:32 +00:00