summaryrefslogtreecommitdiffstats
path: root/llvm/lib/CodeGen/MachineLICM.cpp
diff options
context:
space:
mode:
authorBill Wendling <isanbard@gmail.com>2008-05-12 19:47:18 +0000
committerBill Wendling <isanbard@gmail.com>2008-05-12 19:47:18 +0000
commit2930845065af83e30eac7a571fc58d7eef7ed912 (patch)
tree187b76cfda73424d3a61b4031289ddda5ddfd6db /llvm/lib/CodeGen/MachineLICM.cpp
parentcfcb56091bfed1cade1a2eae0e4280915e858e65 (diff)
downloadbcm5719-llvm-2930845065af83e30eac7a571fc58d7eef7ed912.tar.gz
bcm5719-llvm-2930845065af83e30eac7a571fc58d7eef7ed912.zip
Revert the previous commit. Go ahead and hoist rematerializable instructions.
llvm-svn: 50990
Diffstat (limited to 'llvm/lib/CodeGen/MachineLICM.cpp')
-rw-r--r--llvm/lib/CodeGen/MachineLICM.cpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/MachineLICM.cpp b/llvm/lib/CodeGen/MachineLICM.cpp
index 82958305445..c2adb1e8b73 100644
--- a/llvm/lib/CodeGen/MachineLICM.cpp
+++ b/llvm/lib/CodeGen/MachineLICM.cpp
@@ -297,10 +297,6 @@ bool MachineLICM::IsLoopInvariantInst(MachineInstr &I) {
void MachineLICM::Hoist(MachineInstr &MI) {
if (!IsLoopInvariantInst(MI)) return;
- // Hoisting things that are trivially rematerializable may result in worse
- // code than before.
- if (TII->isTriviallyReMaterializable(&MI)) return;
-
std::vector<MachineBasicBlock*> Preds;
// Non-back-edge predecessors.
OpenPOWER on IntegriCloud