commit 5d034499ad2b0cd99833dd66e9359bf17088fa11
author Victor Hernandez <vhernandez@apple.com> Fri Sep 18 22:35:49 2009 +0000
committer Victor Hernandez <vhernandez@apple.com> Fri Sep 18 22:35:49 2009 +0000
tree c7c7349c462240747f9fcdd168666acfcc8464c5
parent 3d8f8625967ac153e80ff100ac88a3393631df24

Enhance transform passes so that they apply the same tranforms to malloc calls as to MallocInst.

Reviewed by Dan Gohman.

llvm-svn: 82300

llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp

diff --git a/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 419d66f..96ea0e4 100644
--- a/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -1853,7 +1853,13 @@
         }
         break;
       case 'm':
-        if (Name == "memcmp") {
+        if (Name == "malloc") {
+          if (FTy->getNumParams() != 1 ||
+              !isa<PointerType>(FTy->getReturnType()))
+            continue;
+          setDoesNotThrow(F);
+          setDoesNotAlias(F, 0);
+        } else if (Name == "memcmp") {
           if (FTy->getNumParams() != 3 ||
               !isa<PointerType>(FTy->getParamType(0)) ||
               !isa<PointerType>(FTy->getParamType(1)))