[llvm-commits] [llvm] r49012 - in /llvm/trunk: lib/CodeGen/SelectionDAG/LegalizeDAG.cpp lib/Target/ARM/ARMISelLowering.cpp test/CodeGen/ARM/fpconv.ll

[Evan Cheng]

Author: evancheng
Date: Mon Mar 31 20:50:16 2008
New Revision: 49012

URL: http://llvm.org/viewvc/llvm-project?rev=49012&view=rev
Log:
Unbreak ARM / Thumb soft FP support.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
    llvm/trunk/test/CodeGen/ARM/fpconv.ll

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=49012&r1=49011&r2=49012&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Mon Mar 31 20:50:16 2008
@@ -5450,7 +5450,14 @@
   }
 
   RTLIB::Libcall LC;
-  if (SourceVT == MVT::i64) {
+  if (SourceVT == MVT::i32) {
+    if (DestTy == MVT::f32)
+      LC = isSigned ? RTLIB::SINTTOFP_I64_F32 : RTLIB::UINTTOFP_I64_F32;
+    else {
+      assert(DestTy == MVT::f64 && "Unknown fp value type!");
+      LC = isSigned ? RTLIB::SINTTOFP_I32_F64 : RTLIB::UINTTOFP_I32_F64;
+    }
+  } else if (SourceVT == MVT::i64) {
     if (DestTy == MVT::f32)
       LC = RTLIB::SINTTOFP_I64_F32;
     else if (DestTy == MVT::f64)
@@ -5481,7 +5488,7 @@
   SDOperand HiPart;
   SDOperand Result = ExpandLibCall(TLI.getLibcallName(LC), Source.Val, isSigned,
                                    HiPart);
-  if (Result.getValueType() != DestTy)
+  if (Result.getValueType() != DestTy && HiPart.Val)
     Result = DAG.getNode(ISD::BUILD_PAIR, DestTy, Result, HiPart);
   return Result;
 }
@@ -6773,7 +6780,8 @@
 
     Lo = ExpandIntToFP(Node->getOpcode() == ISD::SINT_TO_FP, VT,
                        Node->getOperand(0));
-    ExpandOp(Lo, Lo, Hi);
+    if (getTypeAction(Lo.getValueType()) == Expand)
+      ExpandOp(Lo, Lo, Hi);
     break;
   }
   }

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=49012&r1=49011&r2=49012&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Mon Mar 31 20:50:16 2008
@@ -248,16 +248,20 @@
   setOperationAction(ISD::FCOS     , MVT::f64, Expand);
   setOperationAction(ISD::FREM     , MVT::f64, Expand);
   setOperationAction(ISD::FREM     , MVT::f32, Expand);
-  setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
-  setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
+  if (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb()) {
+    setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
+    setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
+  }
   setOperationAction(ISD::FPOW     , MVT::f64, Expand);
   setOperationAction(ISD::FPOW     , MVT::f32, Expand);
   
   // int <-> fp are custom expanded into bit_convert + ARMISD ops.
-  setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom);
-  setOperationAction(ISD::UINT_TO_FP, MVT::i32, Custom);
-  setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom);
-  setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
+  if (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb()) {
+    setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom);
+    setOperationAction(ISD::UINT_TO_FP, MVT::i32, Custom);
+    setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom);
+    setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
+  }
 
   // We have target-specific dag combine patterns for the following nodes:
   // ARMISD::FMRRD  - No need to call setTargetDAGCombine

Modified: llvm/trunk/test/CodeGen/ARM/fpconv.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fpconv.ll?rev=49012&r1=49011&r2=49012&view=diff

==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fpconv.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fpconv.ll Mon Mar 31 20:50:16 2008
@@ -9,6 +9,16 @@
 ; RUN: grep fsitod %t
 ; RUN: grep fuitos %t
 ; RUN: grep fuitod %t
+; RUN: llvm-as < %s | llc -march=arm > %t
+; RUN: grep truncdfsf2 %t
+; RUN: grep extendsfdf2 %t
+; RUN: grep fixsfsi %t
+; RUN: grep fixunssfsi %t
+; RUN: grep fixdfsi %t
+; RUN: grep fixunsdfsi %t
+; RUN: grep floatdisf %t
+; RUN: grep floatsidf %t
+; RUN: llvm-as < %s | llc -march=thumb
 
 define float @f1(double %x) {
 entry: