[llvm-commits] [dragonegg] r158006 - in /dragonegg/trunk: include/dragonegg/Internals.h src/Convert.cpp

[Duncan Sands]

Author: baldrick
Date: Tue Jun  5 12:36:08 2012
New Revision: 158006

URL: http://llvm.org/viewvc/llvm-project?rev=158006&view=rev
Log:
Fix PR13025: add support for BUILT_IN_ALLOCA_WITH_ALIGN, which was added in
gcc-4.7.  The testcase is waiting on testsuite support for different gcc
versions.

Modified:
    dragonegg/trunk/include/dragonegg/Internals.h
    dragonegg/trunk/src/Convert.cpp

Modified: dragonegg/trunk/include/dragonegg/Internals.h
URL: http://llvm.org/viewvc/llvm-project/dragonegg/trunk/include/dragonegg/Internals.h?rev=158006&r1=158005&r2=158006&view=diff
==============================================================================
--- dragonegg/trunk/include/dragonegg/Internals.h (original)
+++ dragonegg/trunk/include/dragonegg/Internals.h Tue Jun  5 12:36:08 2012
@@ -619,6 +619,7 @@
 
   bool EmitBuiltinAdjustTrampoline(gimple_statement_d *stmt, Value *&Result);
   bool EmitBuiltinAlloca(gimple_statement_d *stmt, Value *&Result);
+  bool EmitBuiltinAllocaWithAlign(gimple_statement_d *stmt, Value *&Result);
   bool EmitBuiltinBZero(gimple_statement_d *stmt, Value *&Result);
   bool EmitBuiltinConstantP(gimple_statement_d *stmt, Value *&Result);
   bool EmitBuiltinExpect(gimple_statement_d *stmt, Value *&Result);

Modified: dragonegg/trunk/src/Convert.cpp
URL: http://llvm.org/viewvc/llvm-project/dragonegg/trunk/src/Convert.cpp?rev=158006&r1=158005&r2=158006&view=diff
==============================================================================
--- dragonegg/trunk/src/Convert.cpp (original)
+++ dragonegg/trunk/src/Convert.cpp Tue Jun  5 12:36:08 2012
@@ -4200,6 +4200,8 @@
   case BUILT_IN_ADJUST_TRAMPOLINE:
     return EmitBuiltinAdjustTrampoline(stmt, Result);
   case BUILT_IN_ALLOCA:         return EmitBuiltinAlloca(stmt, Result);
+  case BUILT_IN_ALLOCA_WITH_ALIGN:
+                                return EmitBuiltinAllocaWithAlign(stmt, Result);
   case BUILT_IN_BZERO:          return EmitBuiltinBZero(stmt, Result);
   case BUILT_IN_CONSTANT_P:     return EmitBuiltinConstantP(stmt, Result);
   case BUILT_IN_EXPECT:         return EmitBuiltinExpect(stmt, Result);
@@ -5727,6 +5729,17 @@
   return true;
 }
 
+bool TreeToLLVM::EmitBuiltinAllocaWithAlign(gimple stmt, Value *&Result) {
+  if (!validate_gimple_arglist(stmt, INTEGER_TYPE, INTEGER_TYPE, VOID_TYPE))
+    return false;
+  Value *Amt = EmitMemory(gimple_call_arg(stmt, 0));
+  uint64_t Align = getInt64(gimple_call_arg(stmt, 1), true);
+  AllocaInst *Alloca = Builder.CreateAlloca(Type::getInt8Ty(Context), Amt);
+  Alloca->setAlignment(Align / 8);
+  Result = Alloca;
+  return true;
+}
+
 bool TreeToLLVM::EmitBuiltinExpect(gimple stmt, Value *&Result) {
   tree type = gimple_call_return_type(stmt);
   if (gimple_call_num_args(stmt) < 2) {