[llvm-commits] [llvm] r74322 - in /llvm/trunk: lib/Target/ARM/ARMISelLowering.cpp test/CodeGen/Thumb2/thumb2-clz.ll

[David Goodwin]

Author: david_goodwin
Date: Fri Jun 26 15:47:43 2009
New Revision: 74322

URL: http://llvm.org/viewvc/llvm-project?rev=74322&view=rev
Log:
Thumb-2 has CLZ.

Added:
    llvm/trunk/test/CodeGen/Thumb2/thumb2-clz.ll
Modified:
    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=74322&r1=74321&r2=74322&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Fri Jun 26 15:47:43 2009
@@ -266,7 +266,7 @@
   setOperationAction(ISD::ROTL,  MVT::i32, Expand);
   setOperationAction(ISD::CTTZ,  MVT::i32, Expand);
   setOperationAction(ISD::CTPOP, MVT::i32, Expand);
-  if (!Subtarget->hasV5TOps() || Subtarget->isThumb())
+  if (!Subtarget->hasV5TOps() || Subtarget->isThumb1Only())
     setOperationAction(ISD::CTLZ, MVT::i32, Expand);
 
   // Only ARMv6 has BSWAP.

Added: llvm/trunk/test/CodeGen/Thumb2/thumb2-clz.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Thumb2/thumb2-clz.ll?rev=74322&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/Thumb2/thumb2-clz.ll (added)
+++ llvm/trunk/test/CodeGen/Thumb2/thumb2-clz.ll Fri Jun 26 15:47:43 2009
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2,+v7a | grep "clz " | count 1
+
+define i32 @f1(i32 %a) {
+    %tmp = tail call i32 @llvm.ctlz.i32(i32 %a)
+    ret i32 %tmp
+}
+
+declare i32 @llvm.ctlz.i32(i32) nounwind readnone