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(parent: 4aef727) | patch
[X86] Never hoist the shift value of a shift instruction.
authorMichael Zolotukhin <mzolotukhin@apple.com>
Wed, 30 Apr 2014 19:17:32 +0000 (19:17 +0000)
committerMichael Zolotukhin <mzolotukhin@apple.com>
Wed, 30 Apr 2014 19:17:32 +0000 (19:17 +0000)
commitc80b103a2b1659482332b41c42f49137f3a5c069
treec079a356779ab5deb88238fb2baacd5db7c69c0ctree | snapshot
parent4aef7270c975ed62788ce5956a1763101113bc6fcommit | diff
[X86] Never hoist the shift value of a shift instruction.

There is no need to check if we want to hoist the immediate value of an
shift instruction. Simply return TCC_Free right away.

This change is like r206101, but for X86.

rdar://problem/16190769

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207692 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86TargetTransformInfo.cpp diff | blob | history
test/CodeGen/X86/remat-invalid-liveness.ll diff | blob | history
test/Transforms/ConstantHoisting/X86/large-immediate.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors