It's not necessary to do rounding for alloca operations when the requested

alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/Target/PowerPC/PPCPredicates.cpp b/lib/Target/PowerPC/PPCPredicates.cpp
new file mode 100644
index 0000000000..ccda5c0d9a
--- /dev/null
+++ b/lib/Target/PowerPC/PPCPredicates.cpp
@@ -0,0 +1,30 @@
+//===-- PPCPredicates.cpp - PPC Branch Predicate Information --------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the PowerPC branch predicates.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PPCPredicates.h"
+#include <cassert>
+using namespace llvm;
+
+PPC::Predicate PPC::InvertPredicate(PPC::Predicate Opcode) {
+  switch (Opcode) {
+  default: assert(0 && "Unknown PPC branch opcode!");
+  case PPC::PRED_EQ: return PPC::PRED_NE;
+  case PPC::PRED_NE: return PPC::PRED_EQ;
+  case PPC::PRED_LT: return PPC::PRED_GE;
+  case PPC::PRED_GE: return PPC::PRED_LT;
+  case PPC::PRED_GT: return PPC::PRED_LE;
+  case PPC::PRED_LE: return PPC::PRED_GT;
+  case PPC::PRED_NU: return PPC::PRED_UN;
+  case PPC::PRED_UN: return PPC::PRED_NU;
+  }
+}