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authorNate Begeman <natebegeman@mac.com>2005-08-24 05:03:20 +0000
committerNate Begeman <natebegeman@mac.com>2005-08-24 05:03:20 +0000
commitc6b0717a6caa32fc9029fd1337af4bf0d07b54e8 (patch)
tree7524391df34e0d79acfd5ebe71eab87a06860341
parent4b46fc094d219da7f9fa02acfa0bf228519f952d (diff)
Remove unused statistic
Prefer 'neg X' to 'subfic 0, X' since neg does not set XER[CA] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23001 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/PowerPC/PPCISelDAGToDAG.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 5300f59b89..8e3e9f73d1 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -28,7 +28,6 @@
using namespace llvm;
namespace {
- Statistic<> Recorded("ppc-codegen", "Number of recording ops emitted");
Statistic<> FusedFP ("ppc-codegen", "Number of fused fp operations");
Statistic<> FrameOff("ppc-codegen", "Number of frame idx offsets collapsed");
@@ -599,8 +598,11 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
if (Ty == MVT::i32) {
unsigned Imm;
if (isIntImmediate(N->getOperand(0), Imm) && isInt16(Imm)) {
- CurDAG->SelectNodeTo(N, Ty, PPC::SUBFIC, Select(N->getOperand(1)),
- getI32Imm(Lo16(Imm)));
+ if (0 == Imm)
+ CurDAG->SelectNodeTo(N, Ty, PPC::NEG, Select(N->getOperand(1)));
+ else
+ CurDAG->SelectNodeTo(N, Ty, PPC::SUBFIC, Select(N->getOperand(1)),
+ getI32Imm(Lo16(Imm)));
break;
}
if (SDNode *I = SelectIntImmediateExpr(N->getOperand(0), N->getOperand(1),