[llvm-commits] [llvm] r157594 - in /llvm/trunk: include/llvm/Intrinsics.td lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp test/CodeGen/NVPTX/intrinsics.ll

[Peter Collingbourne]

Author: pcc
Date: Mon May 28 16:48:37 2012
New Revision: 157594

URL: http://llvm.org/viewvc/llvm-project?rev=157594&view=rev
Log:
Add llvm.fabs intrinsic.

Added:
    llvm/trunk/test/CodeGen/NVPTX/intrinsics.ll
Modified:
    llvm/trunk/include/llvm/Intrinsics.td
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

Modified: llvm/trunk/include/llvm/Intrinsics.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Intrinsics.td?rev=157594&r1=157593&r2=157594&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Intrinsics.td (original)
+++ llvm/trunk/include/llvm/Intrinsics.td Mon May 28 16:48:37 2012
@@ -259,6 +259,7 @@
   def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_exp  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
+  def int_fabs : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
 }
 
 let Properties = [IntrNoMem] in {

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=157594&r1=157593&r2=157594&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Mon May 28 16:48:37 2012
@@ -4920,6 +4920,11 @@
   case Intrinsic::pow:
     visitPow(I);
     return 0;
+  case Intrinsic::fabs:
+    setValue(&I, DAG.getNode(ISD::FABS, dl,
+                             getValue(I.getArgOperand(0)).getValueType(),
+                             getValue(I.getArgOperand(0))));
+    return 0;
   case Intrinsic::fma:
     setValue(&I, DAG.getNode(ISD::FMA, dl,
                              getValue(I.getArgOperand(0)).getValueType(),

Added: llvm/trunk/test/CodeGen/NVPTX/intrinsics.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/NVPTX/intrinsics.ll?rev=157594&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/NVPTX/intrinsics.ll (added)
+++ llvm/trunk/test/CodeGen/NVPTX/intrinsics.ll Mon May 28 16:48:37 2012
@@ -0,0 +1,21 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_10 | FileCheck %s
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_10 | FileCheck %s
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
+
+define ptx_device float @test_fabsf(float %f) {
+; CHECK: abs.f32 %f0, %f0;
+; CHECK: ret;
+	%x = call float @llvm.fabs.f32(float %f)
+	ret float %x
+}
+
+define ptx_device double @test_fabs(double %d) {
+; CHECK: abs.f64 %fl0, %fl0;
+; CHECK: ret;
+	%x = call double @llvm.fabs.f64(double %d)
+	ret double %x
+}
+
+declare float @llvm.fabs.f32(float)
+declare double @llvm.fabs.f64(double)