[llvm-commits] [llvm] r37871 - in /llvm/trunk: lib/Transforms/Scalar/GVNPRE.cpp test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll

[Owen Anderson]

Author: resistor
Date: Wed Jul  4 13:26:18 2007
New Revision: 37871

URL: http://llvm.org/viewvc/llvm-project?rev=37871&view=rev
Log:
Fix a typo that was killing GVNPRE of select instructions.

Added:
    llvm/trunk/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll
Modified:
    llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp?rev=37871&r1=37870&r2=37871&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp Wed Jul  4 13:26:18 2007
@@ -1040,7 +1040,7 @@
           stack.push_back(r);
         else if (m != 0 && isa<Instruction>(m) &&
                  visited.count(m) == 0)
-          stack.push_back(r);
+          stack.push_back(m);
         else {
           vec.push_back(e);
           visited.insert(e);

Added: llvm/trunk/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll?rev=37871&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll (added)
+++ llvm/trunk/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll Wed Jul  4 13:26:18 2007
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | opt -gvnpre | llvm-dis
+
+define i32* @_ZN6Solver9propagateEv(i32* %this) {
+entry:
+	%tmp15.i48 = load i8* null		; <i8> [#uses=2]
+	%tmp64.i.i51 = sub i8 0, %tmp15.i48		; <i8> [#uses=1]
+	%tmp231.i52 = select i1 false, i8 %tmp15.i48, i8 %tmp64.i.i51		; <i8> [#uses=0]
+	ret i32* null
+}