llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-16 14:31:59 +00:00

History

Benjamin Kramer 6b96fe7e14 InstCombine: Turn umul_with_overflow into mul nuw if we can prove that it cannot overflow.

This happens a lot in clang-compiled C++ code because it adds overflow checks to operator new[]:
  unsigned *foo(unsigned n) { return new unsigned[n]; }
We can optimize away the overflow check on 64 bit targets because (uint64_t)n*4 cannot overflow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127418 91177308-0d34-0410-b5e6-96231b3b80d8

2011-03-10 18:40:14 +00:00

Analysis

Introduce DebugInfoProbe. This is used to monitor how llvm optimizer is treating debugging information.

2011-03-10 00:21:25 +00:00

Archive

Revert PathV2 changes, as sys::fs::unique_file is not finished yet.

2011-03-01 19:50:55 +00:00

AsmParser

Use X86_thiscall calling convention for Win64 as well.

2011-03-03 07:49:07 +00:00

Bitcode

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