diff options
Diffstat (limited to 'include/llvm/IR/IntrinsicsAMDGPU.td')
| -rw-r--r-- | include/llvm/IR/IntrinsicsAMDGPU.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/llvm/IR/IntrinsicsAMDGPU.td b/include/llvm/IR/IntrinsicsAMDGPU.td index 5415c6b0d151..21d8a15e7e7a 100644 --- a/include/llvm/IR/IntrinsicsAMDGPU.td +++ b/include/llvm/IR/IntrinsicsAMDGPU.td @@ -629,6 +629,8 @@ def int_amdgcn_readfirstlane : GCCBuiltin<"__builtin_amdgcn_readfirstlane">, Intrinsic<[llvm_i32_ty], [llvm_i32_ty], [IntrNoMem, IntrConvergent]>; +// The lane argument must be uniform across the currently active threads of the +// current wave. Otherwise, the result is undefined. def int_amdgcn_readlane : GCCBuiltin<"__builtin_amdgcn_readlane">, Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem, IntrConvergent]>; |