Paul Redmond 5c97450df7 PR14562 - Truncation of left shift became undef ...

DAGCombiner::ReduceLoadWidth was converting (trunc i32 (shl i64 v, 32))
into (shl i32 v, 32) into undef. To prevent this, check the shift count
against the final result size.

Patch by: Kevin Schoedel
Reviewed by: Nadav Rotem


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174972 91177308-0d34-0410-b5e6-96231b3b80d8

2013-02-12 15:21:21 +00:00

..

Analysis

Cost model: Add check for reverse shuffles to CostModel analysis

2013-02-12 02:40:37 +00:00

Archive

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AsmParser

Merge the collected attributes into the call instruction's attributes.

2013-02-12 10:13:06 +00:00

Bitcode

Have the bitcode writer and reader handle the new attribute references.

2013-02-12 08:13:50 +00:00

CodeGen

PR14562 - Truncation of left shift became undef

2013-02-12 15:21:21 +00:00

DebugInfo

The patch to fix some issues in r174543 fixed the lines failing the test, but missed a couple

2013-02-08 16:35:10 +00:00

ExecutionEngine

[patch] bug 15055 Add Unistd.h to OProfileWrapper.cpp

2013-02-07 20:43:33 +00:00

IR

Support string attributes in the AttrBuilder.

2013-02-12 07:56:49 +00:00

Linker

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MC

Update error message due to previous commit, r174926.

2013-02-12 01:12:24 +00:00

Object

[Object][Archive] Improve performance.

2013-02-03 10:48:50 +00:00

Option

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Support

More MSan/ASan annotations.

2013-02-04 07:03:24 +00:00

TableGen

tblgen: Diagnose duplicate includes.

2013-02-07 04:30:39 +00:00

Target

[NVPTX] Disable vector registers

2013-02-12 14:18:49 +00:00

Transforms

[ASan] Do not use kDefaultShort64bitShadowOffset on Mac, where the binaries may get mapped at 0x100000000+ and thus may interleave with the shadow.

2013-02-12 12:41:12 +00:00

CMakeLists.txt

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LLVMBuild.txt

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Makefile

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