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Remove a couple redundant checks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142959 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-10-25 20:34:22 +00:00
parent 847915d63a
commit 9312613137
1 changed files with 0 additions and 2 deletions
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2
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -7528,8 +7528,6 @@ SDValue DAGCombiner::SimplifySelectCC(DebugLoc DL, SDValue N0, SDValue N1,
// Check to see if we can perform the "gzip trick", transforming // Check to see if we can perform the "gzip trick", transforming
// (select_cc setlt X, 0, A, 0) -> (and (sra X, (sub size(X), 1), A) // (select_cc setlt X, 0, A, 0) -> (and (sra X, (sub size(X), 1), A)
if (N1C && N3C && N3C->isNullValue() && CC == ISD::SETLT && if (N1C && N3C && N3C->isNullValue() && CC == ISD::SETLT &&
N0.getValueType().isInteger() &&
N2.getValueType().isInteger() &&
(N1C->isNullValue() || // (a < 0) ? b : 0 (N1C->isNullValue() || // (a < 0) ? b : 0
(N1C->getAPIntValue() == 1 && N0 == N2))) { // (a < 1) ? a : 0 (N1C->getAPIntValue() == 1 && N0 == N2))) { // (a < 1) ? a : 0
EVT XType = N0.getValueType(); EVT XType = N0.getValueType();