Output sinl for a long double FSIN node, not sin.

Likewise fix up a bunch of other libcalls.  While
there I remove NEG_F32 and NEG_F64 since they are
not used anywhere.  This fixes 9 Ada ACATS failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45833 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 84 insertions, 58 deletions

diff --git a/include/llvm/CodeGen/RuntimeLibcalls.h b/include/llvm/CodeGen/RuntimeLibcalls.h
index 77d008e..7468bf3 100644
--- a/include/llvm/CodeGen/RuntimeLibcalls.h
+++ b/include/llvm/CodeGen/RuntimeLibcalls.h
@@ -49,21 +49,24 @@ namespace RTLIB {
     // FLOATING POINT
     ADD_F32,
     ADD_F64,
+    ADD_F80,
     ADD_PPCF128,
     SUB_F32,
     SUB_F64,
+    SUB_F80,
     SUB_PPCF128,
     MUL_F32,
     MUL_F64,
+    MUL_F80,
     MUL_PPCF128,
     DIV_F32,
     DIV_F64,
+    DIV_F80,
     DIV_PPCF128,
     REM_F32,
     REM_F64,
+    REM_F80,
     REM_PPCF128,
-    NEG_F32,
-    NEG_F64,
     POWI_F32,
     POWI_F64,
     POWI_F80,
@@ -74,8 +77,12 @@ namespace RTLIB {
     SQRT_PPCF128,
     SIN_F32,
     SIN_F64,
+    SIN_F80,
+    SIN_PPCF128,
     COS_F32,
     COS_F64,
+    COS_F80,
+    COS_PPCF128,
     POW_F32,
     POW_F64,
     POW_F80,
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index f1cd2ca..dd7c0e9 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -737,6 +737,20 @@ SDOperand SelectionDAGLegalize::UnrollVectorOp(SDOperand Op) {
   return DAG.getNode(ISD::BUILD_VECTOR, VT, &Scalars[0], Scalars.size());
 }
 
+/// GetFPLibCall - Return the right libcall for the given floating point type.
+static RTLIB::Libcall GetFPLibCall(MVT::ValueType VT,
+                                   RTLIB::Libcall Call_F32,
+                                   RTLIB::Libcall Call_F64,
+                                   RTLIB::Libcall Call_F80,
+                                   RTLIB::Libcall Call_PPCF128) {
+  return
+    VT == MVT::f32 ? Call_F32 :
+    VT == MVT::f64 ? Call_F64 :
+    VT == MVT::f80 ? Call_F80 :
+    VT == MVT::ppcf128 ? Call_PPCF128 :
+    RTLIB::UNKNOWN_LIBCALL;
+}
+
 /// LegalizeOp - We know that the specified value has a legal type, and
 /// that its operands are legal.  Now ensure that the operation itself
 /// is legal, recursively ensuring that the operands' operations remain
@@ -2774,11 +2788,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
         }
         break;
       case ISD::FPOW:
-        LC = VT == MVT::f32 ? RTLIB::POW_F32 :
-             VT == MVT::f64 ? RTLIB::POW_F64 :
-             VT == MVT::f80 ? RTLIB::POW_F80 :
-             VT == MVT::ppcf128 ? RTLIB::POW_PPCF128 :
-             RTLIB::UNKNOWN_LIBCALL;
+        LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80,
+                          RTLIB::POW_PPCF128);
         break;
       default: break;
       }
@@ -2996,8 +3007,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
           Result = LegalizeOp(UnrollVectorOp(Op));
         } else {
           // Floating point mod -> fmod libcall.
-          RTLIB::Libcall LC = VT == MVT::f32
-            ? RTLIB::REM_F32 : RTLIB::REM_F64;
+          RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::REM_F32, RTLIB::REM_F64,
+                                           RTLIB::REM_F80, RTLIB::REM_PPCF128);
           SDOperand Dummy;
           Result = ExpandLibCall(TLI.getLibcallName(LC), Node,
                                  false/*sign irrelevant*/, Dummy);
@@ -3274,17 +3285,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
         RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
         switch(Node->getOpcode()) {
         case ISD::FSQRT:
-          LC = VT == MVT::f32 ? RTLIB::SQRT_F32 : 
-               VT == MVT::f64 ? RTLIB::SQRT_F64 : 
-               VT == MVT::f80 ? RTLIB::SQRT_F80 :
-               VT == MVT::ppcf128 ? RTLIB::SQRT_PPCF128 :
-               RTLIB::UNKNOWN_LIBCALL;
+          LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64,
+                            RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128);
           break;
         case ISD::FSIN:
-          LC = VT == MVT::f32 ? RTLIB::SIN_F32 : RTLIB::SIN_F64;
+          LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64,
+                            RTLIB::SIN_F80, RTLIB::SIN_PPCF128);
           break;
         case ISD::FCOS:
-          LC = VT == MVT::f32 ? RTLIB::COS_F32 : RTLIB::COS_F64;
+          LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64,
+                            RTLIB::COS_F80, RTLIB::COS_PPCF128);
           break;
         default: assert(0 && "Unreachable!");
         }
@@ -3307,12 +3317,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
     }
 
     // We always lower FPOWI into a libcall.  No target support for it yet.
-    RTLIB::Libcall LC = 
-      VT == MVT::f32 ? RTLIB::POWI_F32 : 
-      VT == MVT::f64 ? RTLIB::POWI_F64 : 
-      VT == MVT::f80 ? RTLIB::POWI_F80 : 
-      VT == MVT::ppcf128 ? RTLIB::POWI_PPCF128 : 
-      RTLIB::UNKNOWN_LIBCALL;
+    RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64,
+                                     RTLIB::POWI_F80, RTLIB::POWI_PPCF128);
     SDOperand Dummy;
     Result = ExpandLibCall(TLI.getLibcallName(LC), Node,
                            false/*sign irrelevant*/, Dummy);
@@ -6067,35 +6073,31 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
     break;
 
   case ISD::FADD:
-    Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::ADD_F32 : 
-                                          VT == MVT::f64 ? RTLIB::ADD_F64 :
-                                          VT == MVT::ppcf128 ? 
-                                                      RTLIB::ADD_PPCF128 :
-                                          RTLIB::UNKNOWN_LIBCALL),
+    Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::ADD_F32,
+                                                       RTLIB::ADD_F64,
+                                                       RTLIB::ADD_F80,
+                                                       RTLIB::ADD_PPCF128)),
                        Node, false, Hi);
     break;
   case ISD::FSUB:
-    Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::SUB_F32 :
-                                          VT == MVT::f64 ? RTLIB::SUB_F64 :
-                                          VT == MVT::ppcf128 ? 
-                                                      RTLIB::SUB_PPCF128 :
-                                          RTLIB::UNKNOWN_LIBCALL),
+    Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::SUB_F32,
+                                                       RTLIB::SUB_F64,
+                                                       RTLIB::SUB_F80,
+                                                       RTLIB::SUB_PPCF128)),
                        Node, false, Hi);
     break;
   case ISD::FMUL:
-    Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::MUL_F32 :
-                                          VT == MVT::f64 ? RTLIB::MUL_F64 :
-                                          VT == MVT::ppcf128 ? 
-                                                      RTLIB::MUL_PPCF128 :
-                                          RTLIB::UNKNOWN_LIBCALL),
+    Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::MUL_F32,
+                                                       RTLIB::MUL_F64,
+                                                       RTLIB::MUL_F80,
+                                                       RTLIB::MUL_PPCF128)),
                        Node, false, Hi);
     break;
   case ISD::FDIV:
-    Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::DIV_F32 :
-                                          VT == MVT::f64 ? RTLIB::DIV_F64 :
-                                          VT == MVT::ppcf128 ? 
-                                                      RTLIB::DIV_PPCF128 :
-                                          RTLIB::UNKNOWN_LIBCALL),
+    Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::DIV_F32,
+                                                       RTLIB::DIV_F64,
+                                                       RTLIB::DIV_F80,
+                                                       RTLIB::DIV_PPCF128)),
                        Node, false, Hi);
     break;
   case ISD::FP_EXTEND:
@@ -6116,12 +6118,10 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
     Lo = ExpandLibCall(TLI.getLibcallName(RTLIB::FPROUND_F64_F32),Node,true,Hi);
     break;
   case ISD::FPOWI:
-    Lo = ExpandLibCall(TLI.getLibcallName((VT == MVT::f32) ? RTLIB::POWI_F32 : 
-                                          (VT == MVT::f64) ? RTLIB::POWI_F64 :
-                                          (VT == MVT::f80) ? RTLIB::POWI_F80 :
-                                          (VT == MVT::ppcf128) ? 
-                                                         RTLIB::POWI_PPCF128 :
-                                          RTLIB::UNKNOWN_LIBCALL),
+    Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::POWI_F32,
+                                                       RTLIB::POWI_F64,
+                                                       RTLIB::POWI_F80,
+                                                       RTLIB::POWI_PPCF128)),
                        Node, false, Hi);
     break;
   case ISD::FSQRT:
@@ -6130,17 +6130,16 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
     RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
     switch(Node->getOpcode()) {
     case ISD::FSQRT:
-      LC = (VT == MVT::f32) ? RTLIB::SQRT_F32 : 
-           (VT == MVT::f64) ? RTLIB::SQRT_F64 : 
-           (VT == MVT::f80) ? RTLIB::SQRT_F80 : 
-           (VT == MVT::ppcf128) ? RTLIB::SQRT_PPCF128 : 
-           RTLIB::UNKNOWN_LIBCALL;
+      LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64,
+                        RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128);
       break;
     case ISD::FSIN:
-      LC = (VT == MVT::f32) ? RTLIB::SIN_F32 : RTLIB::SIN_F64;
+      LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64,
+                        RTLIB::SIN_F80, RTLIB::SIN_PPCF128);
       break;
     case ISD::FCOS:
-      LC = (VT == MVT::f32) ? RTLIB::COS_F32 : RTLIB::COS_F64;
+      LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64,
+                        RTLIB::COS_F80, RTLIB::COS_PPCF128);
       break;
     default: assert(0 && "Unreachable!");
     }
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index ae5c398..ac2ce8a 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -48,21 +48,24 @@ static void InitLibcallNames(const char **Names) {
   Names[RTLIB::NEG_I64] = "__negdi2";
   Names[RTLIB::ADD_F32] = "__addsf3";
   Names[RTLIB::ADD_F64] = "__adddf3";
+  Names[RTLIB::ADD_F80] = "__addxf3";
   Names[RTLIB::ADD_PPCF128] = "__gcc_qadd";
   Names[RTLIB::SUB_F32] = "__subsf3";
   Names[RTLIB::SUB_F64] = "__subdf3";
+  Names[RTLIB::SUB_F80] = "__subxf3";
   Names[RTLIB::SUB_PPCF128] = "__gcc_qsub";
   Names[RTLIB::MUL_F32] = "__mulsf3";
   Names[RTLIB::MUL_F64] = "__muldf3";
+  Names[RTLIB::MUL_F80] = "__mulxf3";
   Names[RTLIB::MUL_PPCF128] = "__gcc_qmul";
   Names[RTLIB::DIV_F32] = "__divsf3";
   Names[RTLIB::DIV_F64] = "__divdf3";
+  Names[RTLIB::DIV_F80] = "__divxf3";
   Names[RTLIB::DIV_PPCF128] = "__gcc_qdiv";
   Names[RTLIB::REM_F32] = "fmodf";
   Names[RTLIB::REM_F64] = "fmod";
+  Names[RTLIB::REM_F80] = "fmodl";
   Names[RTLIB::REM_PPCF128] = "fmodl";
-  Names[RTLIB::NEG_F32] = "__negsf2";
-  Names[RTLIB::NEG_F64] = "__negdf2";
   Names[RTLIB::POWI_F32] = "__powisf2";
   Names[RTLIB::POWI_F64] = "__powidf2";
   Names[RTLIB::POWI_F80] = "__powixf2";
@@ -73,8 +76,12 @@ static void InitLibcallNames(const char **Names) {
   Names[RTLIB::SQRT_PPCF128] = "sqrtl";
   Names[RTLIB::SIN_F32] = "sinf";
   Names[RTLIB::SIN_F64] = "sin";
+  Names[RTLIB::SIN_F80] = "sinl";
+  Names[RTLIB::SIN_PPCF128] = "sinl";
   Names[RTLIB::COS_F32] = "cosf";
   Names[RTLIB::COS_F64] = "cos";
+  Names[RTLIB::COS_F80] = "cosl";
+  Names[RTLIB::COS_PPCF128] = "cosl";
   Names[RTLIB::POW_F32] = "powf";
   Names[RTLIB::POW_F64] = "pow";
   Names[RTLIB::POW_F80] = "powl";
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 66915eb..d7ffc30 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -341,9 +341,11 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
   
   // Darwin long double math library functions have $LDBL128 appended.
   if (TM.getSubtarget<PPCSubtarget>().isDarwin()) {
-    setLibcallName(RTLIB::SQRT_PPCF128, "sqrtl$LDBL128");
+    setLibcallName(RTLIB::COS_PPCF128, "cosl$LDBL128");
     setLibcallName(RTLIB::POW_PPCF128, "powl$LDBL128");
     setLibcallName(RTLIB::REM_PPCF128, "fmodl$LDBL128");
+    setLibcallName(RTLIB::SIN_PPCF128, "sinl$LDBL128");
+    setLibcallName(RTLIB::SQRT_PPCF128, "sqrtl$LDBL128");
   }
 
   computeRegisterProperties();
diff --git a/test/CodeGen/X86/2008-01-09-LongDoubleSin.ll b/test/CodeGen/X86/2008-01-09-LongDoubleSin.ll
new file mode 100644
index 0000000..962d6ec
--- /dev/null
+++ b/test/CodeGen/X86/2008-01-09-LongDoubleSin.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -o - | grep sinl
+
+target triple = "i686-pc-linux-gnu"
+
+define x86_fp80 @f(x86_fp80 %x) nounwind  {
+entry:
+	%tmp2 = tail call x86_fp80 @sinl( x86_fp80 %x ) nounwind readonly 		; <x86_fp80> [#uses=1]
+	ret x86_fp80 %tmp2
+}
+
+declare x86_fp80 @sinl(x86_fp80) nounwind readonly