[HLSL] Implement the `smoothstep` intrinsic#132288

Merged

farzonl merged 11 commits intollvm:mainfrom

kmpeng:smoothstep-intrinsic

Mar 29, 2025

Commits on Mar 26, 2025

create int_spv_smoothstep intrinsic, create smoothstep lowering & map to int_spv_smoothstep, create SPIR-V backend test cases
kmpeng
committed
implemented smoothstep in hlsl.Intrinsics.h and its spir-v target built-in, added codegen and sema checks/tests
kmpeng
committed
added spirv scalar implementation, updated codegen and sema tests
kmpeng
committed
remove double and int spv sema tests
kmpeng
committed
clang-format
kmpeng
committed
address pr comments - remove scalar/vector assert, change SemaSPIRV.cpp checks
kmpeng
committed
address pr comments - add int and mismatched args error tests, add spirv double test
kmpeng
committed
remove spirv double test
kmpeng
committed
Add CustomTypeChecking, fix codegen tests
kmpeng
committed
reorganized sema spirv checks, added target env to validation step of spirv backend tests
kmpeng
committed

Commits on Mar 28, 2025

changed target env versions, added ending new line in smoothstep-errors.c
kmpeng
committed