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simplifycfg: Fix integer overflow converting switch into icmp. #7

Merged
merged 1 commit into from
Apr 18, 2013
Merged

simplifycfg: Fix integer overflow converting switch into icmp. #7

merged 1 commit into from
Apr 18, 2013

Commits on Apr 18, 2013

  1. simplifycfg: Fix integer overflow converting switch into icmp. 

    If a switch instruction has a case for every possible value of its type,
with the same successor, SimplifyCFG would replace it with an icmp ult,
but the computation of the bound overflows in that case, which inverts
the test.

Patch by Jed Davis!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179587 91177308-0d34-0410-b5e6-96231b3b80d8
    @zmodem @jld
    zmodem authored and jld committed Apr 18, 2013
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