commit d5fca554e2384fe99d4cc89829955fa0222d0b5f
author Daniil Fukalov <daniil.fukalov@amd.com> Wed Jan 17 14:05:05 2018 +0000
committer Daniil Fukalov <daniil.fukalov@amd.com> Wed Jan 17 14:05:05 2018 +0000
tree c90ba3b14de30ab717bb1bfef889707e19bab6a2
parent 6b65f7c3805ea1e49ee3354802ec6ecc9ca0de21

[AMDGPU] add LDS f32 intrinsics

added llvm.amdgcn.atomic.{add|min|max}.f32 intrinsics
to allow generate ds_{add|min|max}[_rtn]_f32 instructions
needed for OpenCL float atomics in LDS

Reviewed by: arsenm

Differential Revision: https://reviews.llvm.org/D37985

llvm-svn: 322656

llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp

diff --git a/llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp b/llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp
index 7d66c0f..e4591649 100644
--- a/llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp
+++ b/llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp
@@ -260,7 +260,10 @@
 
   switch (II->getIntrinsicID()) {
   case Intrinsic::amdgcn_atomic_inc:
-  case Intrinsic::amdgcn_atomic_dec:{
+  case Intrinsic::amdgcn_atomic_dec:
+  case Intrinsic::amdgcn_atomic_fadd:
+  case Intrinsic::amdgcn_atomic_fmin:
+  case Intrinsic::amdgcn_atomic_fmax: {
     const ConstantInt *IsVolatile = dyn_cast<ConstantInt>(II->getArgOperand(4));
     if (!IsVolatile || !IsVolatile->isZero())
       return false;
@@ -289,6 +292,9 @@
   case Intrinsic::objectsize:
   case Intrinsic::amdgcn_atomic_inc:
   case Intrinsic::amdgcn_atomic_dec:
+  case Intrinsic::amdgcn_atomic_fadd:
+  case Intrinsic::amdgcn_atomic_fmin:
+  case Intrinsic::amdgcn_atomic_fmax:
     appendsFlatAddressExpressionToPostorderStack(II->getArgOperand(0),
                                                  PostorderStack, Visited);
     break;