6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-25 14:30:32 +00:00
Code Issues Projects Releases Wiki Activity

Remove a couple redundant checks.

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
View File

@ -7528,8 +7528,6 @@ SDValue DAGCombiner::SimplifySelectCC(DebugLoc DL, SDValue N0, SDValue N1,
// 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)
if (N1C && N3C && N3C->isNullValue() && CC == ISD::SETLT &&
N0.getValueType().isInteger() &&
N2.getValueType().isInteger() &&
(N1C->isNullValue() || // (a < 0) ? b : 0
(N1C->getAPIntValue() == 1 && N0 == N2))) { // (a < 1) ? a : 0
EVT XType = N0.getValueType();