22f7f167cd
This NIR:
vec4 32 ssa_169 = phi block_1: ssa_168, block_2: ssa_138
vec1 16 ssa_209 = f2fmp ssa_169.x
vec1 16 ssa_210 = f2fmp ssa_169.y
vec1 16 ssa_211 = f2fmp ssa_169.z
vec1 16 ssa_212 = f2fmp ssa_169.w
vec4 16 ssa_213 = vec4 ssa_209, ssa_210, ssa_211, ssa_212
intrinsic store_output (ssa_213, ssa_171) (base=0, wrmask=xyzw /*15*/, component=0, src_type=float16 /*144*/, io location=4 slots=1 mediump /*8388740*/, xfb() /*0*/, xfb2() /*0*/)
would turn into:
vec4 32 ssa_169 = phi block_1: ssa_168, block_2: ssa_138
vec4 16 ssa_216 = phi block_1: ssa_214, block_2: ssa_215
vec1 16 ssa_209 = f2fmp ssa_169.x
vec1 16 ssa_210 = f2fmp ssa_169.y
vec1 16 ssa_211 = f2fmp ssa_169.z
vec1 16 ssa_212 = f2fmp ssa_169.w
vec4 16 ssa_213 = vec4 ssa_216.x, ssa_216.x, ssa_216.x, ssa_216.x
intrinsic store_output (ssa_213, ssa_171) (base=0, wrmask=xyzw /*15*/, component=0, src_type=float16 /*144*/, io location=4 slots=1 mediump /*8388740*/, xfb() /*0*/, xfb2() /*0*/)
ignoring the swizzles from the f2fmp srcs. Fixes failures in
dEQP-GLES2.functional.shaders.random.all_features.fragment.20 on
turnip+ANGLE.
Fixes: c7b935962b ("nir: Add pass to lower phi precision")
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19179>
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