[llvm-branch-commits] [clang] 8426097 - [OpenCL] Fix atomic_fetch_add/sub with half type

[Tom Stellard via llvm-branch-commits]

Author: Sven van Haastregt
Date: 2022-02-14T14:12:35-08:00
New Revision: 84260978cbf52485d9347e20386fda6bb82df763

URL: https://github.com/llvm/llvm-project/commit/84260978cbf52485d9347e20386fda6bb82df763
DIFF: https://github.com/llvm/llvm-project/commit/84260978cbf52485d9347e20386fda6bb82df763.diff

LOG: [OpenCL] Fix atomic_fetch_add/sub with half type

An error in the tablegen description affects the declarations
provided by `-fdeclare-opencl-builtins` for `atomic_fetch_add` and
`atomic_fetch_sub`.

The atomic argument should be an atomic_half, not an atomic_float.

(cherry picked from commit fe690587bedb23dec2753549d4216059a7f894a1)

Added: 
    

Modified: 
    clang/lib/Sema/OpenCLBuiltins.td

Removed: 
    


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diff  --git a/clang/lib/Sema/OpenCLBuiltins.td b/clang/lib/Sema/OpenCLBuiltins.td
index 08f8630a67e22..60a05f95fbec8 100644
--- a/clang/lib/Sema/OpenCLBuiltins.td
+++ b/clang/lib/Sema/OpenCLBuiltins.td
@@ -1138,7 +1138,7 @@ let MinVersion = CL20 in {
   foreach ModOp = ["add", "sub"] in {
     let Extension = FuncExtFloatAtomicsFp16GlobalAdd in {
       defm : BuiltinAtomicExplicit<"atomic_fetch_" # ModOp,
-          [Half, PointerType<VolatileType<AtomicFloat>, GlobalAS>, Half]>;
+          [Half, PointerType<VolatileType<AtomicHalf>, GlobalAS>, Half]>;
     }
     let Extension = FuncExtFloatAtomicsFp32GlobalAdd in {
       defm : BuiltinAtomicExplicit<"atomic_fetch_" # ModOp,
@@ -1150,7 +1150,7 @@ let MinVersion = CL20 in {
     }
     let Extension = FuncExtFloatAtomicsFp16LocalAdd in {
       defm : BuiltinAtomicExplicit<"atomic_fetch_" # ModOp,
-          [Half, PointerType<VolatileType<AtomicFloat>, LocalAS>, Half]>;
+          [Half, PointerType<VolatileType<AtomicHalf>, LocalAS>, Half]>;
     }
     let Extension = FuncExtFloatAtomicsFp32LocalAdd in {
       defm : BuiltinAtomicExplicit<"atomic_fetch_" # ModOp,
@@ -1162,7 +1162,7 @@ let MinVersion = CL20 in {
     }
     let Extension = FuncExtFloatAtomicsFp16GenericAdd in {
       defm : BuiltinAtomicExplicit<"atomic_fetch_" # ModOp,
-          [Half, PointerType<VolatileType<AtomicFloat>, GenericAS>, Half]>;
+          [Half, PointerType<VolatileType<AtomicHalf>, GenericAS>, Half]>;
     }
     let Extension = FuncExtFloatAtomicsFp32GenericAdd in {
       defm : BuiltinAtomicExplicit<"atomic_fetch_" # ModOp,