Displaying 2 results from an estimated 2 matches for "d9bbe21f".
2018 Apr 10
0
InductiveRangeCheckElimination and BranchProbabilityInfo
Adding Maxim
On Apr 9, 2018, at 10:06 AM, Sam Parker via llvm-dev <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
Hi,
extractRangeChecksFromBranch uses BranchProbabilityInfo to decide whether its worth trying the InductiveRangeCheckElimination transformation. For the following example:
void split() {
for (int i = 0; i < 100; ++i) {
if (i < 99)
2018 Apr 09
3
InductiveRangeCheckElimination and BranchProbabilityInfo
Hi,
extractRangeChecksFromBranch uses BranchProbabilityInfo to decide whether its worth trying the InductiveRangeCheckElimination transformation. For the following example:
void split() {
for (int i = 0; i < 100; ++i) {
if (i < 99)
do_something()
else
do_something_else()
}
}
But the reported BPI is reported as 50/50 to whether do_something will be called, but we