Fix code causing fallthrough warnings in the PPC back end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320806 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMIPeephole.cpp b/lib/Target/PowerPC/PPCMIPeephole.cpp
index 45647a2..64c5e4e 100644
--- a/lib/Target/PowerPC/PPCMIPeephole.cpp
+++ b/lib/Target/PowerPC/PPCMIPeephole.cpp
@@ -774,7 +774,7 @@
// Eliminate all the TOC save instructions which are redundant.
Simplified |= eliminateRedundantTOCSaves(TOCSaves);
// We try to eliminate redundant compare instruction.
- //Simplified |= eliminateRedundantCompare();
+ Simplified |= eliminateRedundantCompare();
return Simplified;
}
@@ -1025,6 +1025,9 @@
// bge 0, .LBB0_4
bool PPCMIPeephole::eliminateRedundantCompare(void) {
+ // FIXME: this transformation is causing miscompiles. Disabling it for now
+ // until we can resolve the issue.
+ return false;
bool Simplified = false;
for (MachineBasicBlock &MBB2 : *MF) {
