[llvm-commits] CVS: llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/IPO:

SimplifyLibCalls.cpp updated: 1.102 -> 1.103
---
Log message:

trunc to bool no longer compares against zero


---
Diffs of the changes:  (+5 -10)

 SimplifyLibCalls.cpp |   15 +++++----------
 1 files changed, 5 insertions(+), 10 deletions(-)


Index: llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp
diff -u llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp:1.102 llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp:1.103
--- llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp:1.102	Fri Apr  6 20:02:00 2007
+++ llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp	Fri Apr  6 20:03:46 2007
@@ -847,16 +847,11 @@
 static bool IsOnlyUsedInEqualsZeroComparison(Instruction *I) {
   for (Value::use_iterator UI = I->use_begin(), E = I->use_end();
        UI != E; ++UI) {
-    Instruction *User = cast<Instruction>(*UI);
-    if (ICmpInst *IC = dyn_cast<ICmpInst>(User)) {
-      if ((IC->getPredicate() == ICmpInst::ICMP_NE ||
-           IC->getPredicate() == ICmpInst::ICMP_EQ) &&
-          isa<Constant>(IC->getOperand(1)) &&
-          cast<Constant>(IC->getOperand(1))->isNullValue())
-        continue;
-    } else if (CastInst *CI = dyn_cast<CastInst>(User))
-      if (CI->getType() == Type::Int1Ty)
-        continue;
+    if (ICmpInst *IC = dyn_cast<ICmpInst>(*UI))
+      if (IC->isEquality())
+        if (Constant *C = dyn_cast<Constant>(IC->getOperand(1)))
+          if (C->isNullValue())
+            continue;
     // Unknown instruction.
     return false;
   }