commit 83d63919bd990ce00f62e18114504b9e4a5cb35e
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 ec65b941c26a912ddafb03e9d31922bd73a366b7
parent 4a86348bfb1dd06ac3ec204a8b295576873701e1

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

Reviewed by Dan Gohman.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82300 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/SimplifyLibCalls.cpp

diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 419d66f..96ea0e4 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/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)))