[llvm-commits] [llvm] r72512 - in /llvm/trunk: lib/Transforms/Scalar/SCCP.cpp test/Transforms/SCCP/2009-05-27-VectorOperandZero.ll

[Nick Lewycky]

Author: nicholas
Date: Wed May 27 23:08:10 2009
New Revision: 72512

URL: http://llvm.org/viewvc/llvm-project?rev=72512&view=rev
Log:
Use Operands.data() instead of &Operands[0] where Operands is a potentially
empty SmallVector.

Added:
    llvm/trunk/test/Transforms/SCCP/2009-05-27-VectorOperandZero.ll
Modified:
    llvm/trunk/lib/Transforms/Scalar/SCCP.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/SCCP.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/SCCP.cpp?rev=72512&r1=72511&r2=72512&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/SCCP.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/SCCP.cpp Wed May 27 23:08:10 2009
@@ -1196,7 +1196,7 @@
      
       // If we can constant fold this, mark the result of the call as a
       // constant.
-      if (Constant *C = ConstantFoldCall(F, &Operands[0], Operands.size())) {
+      if (Constant *C = ConstantFoldCall(F, Operands.data(), Operands.size())) {
         markConstant(I, C);
         return;
       }

Added: llvm/trunk/test/Transforms/SCCP/2009-05-27-VectorOperandZero.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SCCP/2009-05-27-VectorOperandZero.ll?rev=72512&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/SCCP/2009-05-27-VectorOperandZero.ll (added)
+++ llvm/trunk/test/Transforms/SCCP/2009-05-27-VectorOperandZero.ll Wed May 27 23:08:10 2009
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | opt -sccp -disable-output
+; PR4277
+
+define i32 @main() nounwind {
+entry:
+	%0 = tail call signext i8 (...)* @sin() nounwind
+	ret i32 0
+}
+
+declare signext i8 @sin(...)