[llvm-commits] [llvm] r48169 - in /llvm/trunk/lib: CodeGen/SelectionDAG/TargetLowering.cpp Target/ARM/ARMISelLowering.cpp Target/Alpha/AlphaISelLowering.cpp Target/CellSPU/SPUISelLowering.cpp Target/IA64/IA64ISelLowering.cpp Target/Mips/MipsISelLowering.cpp Target/PowerPC/PPCISelLowering.cpp Target/Sparc/SparcISelDAGToDAG.cpp Target/X86/X86ISelLowering.cpp

Evan Cheng evan.cheng at apple.com
Mon Mar 10 12:38:10 PDT 2008


Author: evancheng
Date: Mon Mar 10 14:38:10 2008
New Revision: 48169

URL: http://llvm.org/viewvc/llvm-project?rev=48169&view=rev
Log:
Default ISD::PREFETCH to expand.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
    llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp
    llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp
    llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp
    llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
    llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Mon Mar 10 14:38:10 2008
@@ -178,6 +178,9 @@
     // These operations default to expand.
     setOperationAction(ISD::FGETSIGN, (MVT::ValueType)VT, Expand);
   }
+
+  // Most targets ignore the @llvm.prefetch intrinsic.
+  setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
   
   // ConstantFP nodes default to expand.  Targets can either change this to 
   // Legal, in which case all fp constants are legal, or use addLegalFPImmediate

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -211,7 +211,6 @@
   setOperationAction(ISD::STACKRESTORE,       MVT::Other, Expand);
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32  , Expand);
   setOperationAction(ISD::MEMBARRIER        , MVT::Other, Expand);
-  setOperationAction(ISD::PREFETCH          , MVT::Other, Expand);
 
   if (!Subtarget->hasV6Ops()) {
     setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);

Modified: llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -116,7 +116,6 @@
   setOperationAction(ISD::STACKSAVE, MVT::Other, Expand); 
   setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
-  setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
 
   // We want to legalize GlobalAddress and ConstantPool and
   // ExternalSymbols nodes into the appropriate instructions to

Modified: llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -321,7 +321,6 @@
   setOperationAction(ISD::STACKRESTORE      , MVT::Other, Expand);
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32  , Expand);
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64  , Expand);
-  setOperationAction(ISD::PREFETCH          , MVT::Other, Expand);
 
   // Cell SPU has instructions for converting between i64 and fp.
   setOperationAction(ISD::FP_TO_SINT, MVT::i64, Custom);

Modified: llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -109,7 +109,6 @@
       setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
       setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
       setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
-      setOperationAction(ISD::PREFETCH          , MVT::Other, Expand);
 
       // Thread Local Storage
       setOperationAction(ISD::GlobalTLSAddress, MVT::i64, Custom);

Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -84,7 +84,6 @@
   setOperationAction(ISD::MEMSET, MVT::Other, Expand);
   setOperationAction(ISD::MEMCPY, MVT::Other, Expand);
   setOperationAction(ISD::MEMBARRIER, MVT::Other, Expand);
-  setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
 
   setOperationAction(ISD::CTPOP, MVT::i32, Expand);
   setOperationAction(ISD::CTTZ , MVT::i32, Expand);

Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -82,7 +82,6 @@
   setOperationAction(ISD::MEMSET, MVT::Other, Expand);
   setOperationAction(ISD::MEMCPY, MVT::Other, Expand);
   setOperationAction(ISD::MEMBARRIER, MVT::Other, Expand);
-  setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
 
   // PowerPC has no SREM/UREM instructions
   setOperationAction(ISD::SREM, MVT::i32, Expand);

Modified: llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp Mon Mar 10 14:38:10 2008
@@ -197,7 +197,6 @@
   setOperationAction(ISD::MEMSET, MVT::Other, Expand);
   setOperationAction(ISD::MEMCPY, MVT::Other, Expand);
   setOperationAction(ISD::MEMBARRIER, MVT::Other, Expand);
-  setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
 
   setOperationAction(ISD::FSIN , MVT::f64, Expand);
   setOperationAction(ISD::FCOS , MVT::f64, Expand);

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=48169&r1=48168&r2=48169&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon Mar 10 14:38:10 2008
@@ -286,8 +286,8 @@
   setOperationAction(ISD::MEMSET          , MVT::Other, Custom);
   setOperationAction(ISD::MEMCPY          , MVT::Other, Custom);
 
-  if (!Subtarget->hasSSE1())
-    setOperationAction(ISD::PREFETCH      , MVT::Other, Expand);
+  if (Subtarget->hasSSE1())
+    setOperationAction(ISD::PREFETCH      , MVT::Other, Legal);
 
   if (!Subtarget->hasSSE2())
     setOperationAction(ISD::MEMBARRIER    , MVT::Other, Expand);





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