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| author | Philip Reames <listmail@philipreames.com> | 2019-07-03 18:24:06 +0000 |
|---|---|---|
| committer | Philip Reames <listmail@philipreames.com> | 2019-07-03 18:24:06 +0000 |
| commit | 4c80281c96291abcd7bb734dab114f8eeecd38bb (patch) | |
| tree | bed2229e366022ddee27518dd895407e9b63f118 /llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | |
| parent | 83cca94194b14aae5e0fd8d3feca9292a631578e (diff) | |
| download | bcm5719-llvm-4c80281c96291abcd7bb734dab114f8eeecd38bb.tar.gz bcm5719-llvm-4c80281c96291abcd7bb734dab114f8eeecd38bb.zip | |
[LFTR] Remove falsely generalized (dead) code [NFC]
llvm-svn: 365067
Diffstat (limited to 'llvm/lib/Transforms/Scalar/IndVarSimplify.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp index 4f939b21a2e..0566a1558b0 100644 --- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -2477,11 +2477,8 @@ linearFunctionTestReplace(Loop *L, BasicBlock *ExitingBB, Count = Count.zext(CmpIndVarSize); if (UsePostInc) ++Count; - APInt NewLimit; - if (cast<SCEVConstant>(ARStep)->getValue()->isNegative()) - NewLimit = Start - Count; - else - NewLimit = Start + Count; + assert(cast<SCEVConstant>(ARStep)->getValue()->isOne()); + APInt NewLimit = Start + Count; ExitCnt = ConstantInt::get(CmpIndVar->getType(), NewLimit); } else { // We try to extend trip count first. If that doesn't work we truncate IV. |
