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[LLVMdev] [RFC] Invariants in LLVM
2014 Jul 17
5
[LLVMdev] [RFC] Invariants in LLVM
...', I've done the same with @llvm.invariant(false). Over the past several weeks, I've posted a number of patches comprising a proposed implementation of an invariant intrinsic for LLVM. I've listed them here in reverse order (they apply bottom up). Patches: http://reviews.llvm.org/D149 - A patch for Clang that adds __builtin_assume (and __assume in MS-compatibility mode) and GCC's __builtin_assume_aligned. http://reviews.llvm.org/D4568 - Adds awareness of invariants to ScalarEvolution (specifically when looking for loop guards) http://reviews.llvm.org/D4567 - A small additio...
[LLVMdev] [RFC] Invariants in LLVM
2014 Jul 18
2
[LLVMdev] [RFC] Invariants in LLVM
...a proposed implementation of an invariant intrinsic for > > LLVM. I've listed them here in reverse order (they apply bottom > > up). > I'll be happy to help review once we settle on desired semantics. :) > > > > Patches: > > > > http://reviews.llvm.org/D149 - A patch for Clang that adds > > __builtin_assume (and __assume in MS-compatibility mode) and GCC's > > __builtin_assume_aligned. > > > > http://reviews.llvm.org/D4568 - Adds awareness of invariants to > > ScalarEvolution (specifically when looking for loop guards...