commit 9e17b632ec7fdd150a2f08ed4b661011ed47dcfa
author Chris Lattner <sabre@nondot.org> Wed Sep 02 05:12:37 2009 +0000
committer Chris Lattner <sabre@nondot.org> Wed Sep 02 05:12:37 2009 +0000
tree 678bba6aa18c21e16e468adfd89a6b54386a0a48
parent d3bd0821b00f1100ab98454264c8775ace826f0d

fix PR4837, some bugs folding vector compares.  These
return a vector of i1, not i1 itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80761 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/InstructionCombining.cpp

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index b4bb0a8..f4ae51b 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -5779,9 +5779,9 @@
 
   // Fold trivial predicates.
   if (I.getPredicate() == FCmpInst::FCMP_FALSE)
-    return ReplaceInstUsesWith(I, ConstantInt::getFalse(*Context));
+    return ReplaceInstUsesWith(I, ConstantInt::get(I.getType(), 0));
   if (I.getPredicate() == FCmpInst::FCMP_TRUE)
-    return ReplaceInstUsesWith(I, ConstantInt::getTrue(*Context));
+    return ReplaceInstUsesWith(I, ConstantInt::get(I.getType(), 1));
   
   // Simplify 'fcmp pred X, X'
   if (Op0 == Op1) {
@@ -5790,11 +5790,11 @@
     case FCmpInst::FCMP_UEQ:    // True if unordered or equal
     case FCmpInst::FCMP_UGE:    // True if unordered, greater than, or equal
     case FCmpInst::FCMP_ULE:    // True if unordered, less than, or equal
-      return ReplaceInstUsesWith(I, ConstantInt::getTrue(*Context));
+      return ReplaceInstUsesWith(I, ConstantInt::get(I.getType(), 1));
     case FCmpInst::FCMP_OGT:    // True if ordered and greater than
     case FCmpInst::FCMP_OLT:    // True if ordered and less than
     case FCmpInst::FCMP_ONE:    // True if ordered and operands are unequal
-      return ReplaceInstUsesWith(I, ConstantInt::getFalse(*Context));
+      return ReplaceInstUsesWith(I, ConstantInt::get(I.getType(), 0));
       
     case FCmpInst::FCMP_UNO:    // True if unordered: isnan(X) | isnan(Y)
     case FCmpInst::FCMP_ULT:    // True if unordered or less than
@@ -5817,7 +5817,7 @@
   }
     
   if (isa<UndefValue>(Op1))                  // fcmp pred X, undef -> undef
-    return ReplaceInstUsesWith(I, UndefValue::get(Type::getInt1Ty(*Context)));
+    return ReplaceInstUsesWith(I, UndefValue::get(I.getType()));
 
   // Handle fcmp with constant RHS
   if (Constant *RHSC = dyn_cast<Constant>(Op1)) {
@@ -5885,11 +5885,11 @@
 
   // icmp X, X
   if (Op0 == Op1)
-    return ReplaceInstUsesWith(I, ConstantInt::get(Type::getInt1Ty(*Context), 
+    return ReplaceInstUsesWith(I, ConstantInt::get(I.getType(),
                                                    I.isTrueWhenEqual()));
 
   if (isa<UndefValue>(Op1))                  // X icmp undef -> undef
-    return ReplaceInstUsesWith(I, UndefValue::get(Type::getInt1Ty(*Context)));
+    return ReplaceInstUsesWith(I, UndefValue::get(I.getType()));
   
   // icmp <global/alloca*/null>, <global/alloca*/null> - Global/Stack value
   // addresses never equal each other!  We already know that Op0 != Op1.