commit fa1d102a052e0375c954d9a35b3a687f81194f7a
author Hal Finkel <hfinkel@anl.gov> Sun Apr 07 05:46:58 2013 +0000
committer Hal Finkel <hfinkel@anl.gov> Sun Apr 07 05:46:58 2013 +0000
tree 3637a5cc923da164f6a58340388bde870940a07b
parent aecbe2426825463c183a036da4bfae621e8ec080

PPC pre-increment load instructions do not have side effects

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178972 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/PowerPC/PPCInstrInfo.td

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 86d020b..14f35ef 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -757,7 +757,7 @@
 
 
 // Unindexed (r+i) Loads with Update (preinc).
-let mayLoad = 1 in {
+let mayLoad = 1, neverHasSideEffects = 1 in {
 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
                    "lbzu $rD, $addr", LdStLoadUpd,
                    []>, RegConstraint<"$addr.reg = $ea_result">,