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David Majnemer f20d7c4c61 Analysis: Make isSafeToSpeculativelyExecute fire less for divides 
Divides and remainder operations do not behave like other operations
when they are given poison: they turn into undefined behavior.

It's really hard to know if the operands going into a div are or are not
poison.  Because of this, we should only choose to speculate if there
are constant operands which we can easily reason about.

This fixes PR21412.

llvm-svn: 221318
 		2014-11-04 23:49:08 +00:00
..
Analysis [SCEV] Improve Scalar Evolution's use of no {un,}signed wrap flags 2014-10-31 11:40:32 +00:00
Assembler Delete -std-compile-opts. 2014-10-16 20:00:02 +00:00
Bindings [OCaml] Run tests twice, with ocamlc and ocamlopt (if available) 2014-11-03 09:50:53 +00:00
Bitcode Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
BugPoint Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
CodeGen [X86][SSE] Enable commutation for SSE immediate blend instructions 2014-11-04 23:25:08 +00:00
DebugInfo Provide gmlt-like inline scope information in the skeleton CU to facilitate symbolication without needing the .dwo files 2014-11-04 22:12:25 +00:00
ExecutionEngine [MCJIT] Defer application of AArch64 MachO GOT relocations until resolve time. 2014-10-21 23:41:15 +00:00
Feature Delete -std-compile-opts. 2014-10-16 20:00:02 +00:00
FileCheck FileCheck: Add a flag to allow checking empty input 2014-08-07 18:40:37 +00:00
Instrumentation [asan] do not treat inline asm calls as indirect calls 2014-10-31 18:38:23 +00:00
Integer
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JitListener Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
LTO LTO: Add missing target triple from r218784 2014-10-01 18:49:58 +00:00
Linker Revert r221096 bringing back r221014 with a fix. 2014-11-02 13:28:57 +00:00
MC Revert "[mips] Add names and tests for the hardware registers" 2014-11-04 22:15:05 +00:00
Object Remove "REQUIRES:shell" from tests. They work for me. 2014-11-04 13:41:33 +00:00
Other [lit] Parse all strings as UTF-8 rather than ASCII. 2014-09-12 16:46:05 +00:00
TableGen [AVX512] Added intrinsics for VPCMPEQB and VPCMPEQW. 2014-09-30 11:32:22 +00:00
Transforms Analysis: Make isSafeToSpeculativelyExecute fire less for divides 2014-11-04 23:49:08 +00:00
Unit
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Verifier Extend the verifier to validate range metadata on calls and invokes. 2014-10-20 23:52:07 +00:00
YAMLParser
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tools Add the code and test cases for 32-bit Intel to llvm-objdump’s Mach-O symbolizer. 2014-11-04 00:43:16 +00:00
.clang-format
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CMakeLists.txt Make llvm-go test dependency optional. 2014-10-23 19:51:40 +00:00
Makefile [OCaml] [autoconf] Migrate to ocamlfind. 2014-10-30 08:29:45 +00:00
Makefile.tests
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TestRunner.sh
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lit.cfg test: Restore llvm-lit (at least for my machine) 2014-11-04 05:54:50 +00:00
lit.site.cfg.in [OCaml] [autoconf] Migrate to ocamlfind. 2014-10-30 08:29:45 +00:00