forked from OSchip/llvm-project
3b6d46761f
This is based on an example that was recently posted on llvm-dev:
void *propagate_null(void* b, int* g) {
if (!b) {
return 0;
}
(*g)++;
return b;
}
https://godbolt.org/g/xYk3qG
The original code or constant propagation in other passes has obscured the fact
that the phi can be removed completely.
Differential Revision: https://reviews.llvm.org/D45448
llvm-svn: 329755
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|---|---|---|
| .. | ||
| 2010-09-02-Trunc.ll | ||
| 2010-09-26-MergeConstantRange.ll | ||
| add.ll | ||
| alloca.ll | ||
| ashr.ll | ||
| basic.ll | ||
| conflict.ll | ||
| crash.ll | ||
| guards.ll | ||
| icmp.ll | ||
| non-null.ll | ||
| overflows.ll | ||
| phi-common-val.ll | ||
| pr35807.ll | ||
| range.ll | ||
| sdiv.ll | ||
| select.ll | ||
| srem.ll | ||
| udiv.ll | ||
| urem.ll | ||