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Fix precision propagation around shifts

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Fixes #2541
This commit is contained in:
Greg Fischer
2021-02-26 11:34:51 -07:00
parent 51d672b8a8
commit c176085909
3 changed files with 51 additions and 7 deletions
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41
Test/baseResults/spv.precision.frag.out
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@@ -1,14 +1,15 @@
spv.precision.frag
// Module Version 10000
// Generated by (magic number): 8000a
// Id's are bound by 146
// Id's are bound by 165
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 23 62 64 76 119
EntryPoint Fragment 4 "main" 23 62 64 76 119 149
ExecutionMode 4 OriginUpperLeft
Source ESSL 310
SourceExtension "GL_OES_sample_variables"
Name 4 "main"
Name 12 "foo(vf3;"
Name 11 "mv3"
@@ -33,6 +34,7 @@ spv.precision.frag
MemberName 117(S) 0 "a"
MemberName 117(S) 1 "b"
Name 119 "s"
Name 149 "gl_SampleMaskIn"
Decorate 12(foo(vf3;) RelaxedPrecision
Decorate 11(mv3) RelaxedPrecision
Decorate 23(highfin) Location 2
@@ -97,6 +99,15 @@ spv.precision.frag
Decorate 143 RelaxedPrecision
Decorate 144 RelaxedPrecision
Decorate 145 RelaxedPrecision
Decorate 149(gl_SampleMaskIn) Flat
Decorate 149(gl_SampleMaskIn) BuiltIn SampleMask
Decorate 153 RelaxedPrecision
Decorate 156 RelaxedPrecision
Decorate 159 RelaxedPrecision
Decorate 160 RelaxedPrecision
Decorate 162 RelaxedPrecision
Decorate 163 RelaxedPrecision
Decorate 164 RelaxedPrecision
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
@@ -147,6 +158,11 @@ spv.precision.frag
133: 6(float) Constant 1082549862
138: 6(float) Constant 1073741824
142: 6(float) Constant 1077936128
146: 95(int) Constant 1
147: TypeArray 39(int) 146
148: TypePointer Input 147
149(gl_SampleMaskIn): 148(ptr) Variable Input
150: TypePointer Input 39(int)
4(main): 2 Function None 3
5: Label
41(sum): 40(ptr) Variable Function
@@ -156,6 +172,7 @@ spv.precision.frag
72(local_highp): 71(ptr) Variable Function
108(param): 16(ptr) Variable Function
135: 71(ptr) Variable Function
156: 71(ptr) Variable Function
44: 39(int) Load 43(uniform_medium)
46: 39(int) Load 45(uniform_high)
47: 39(int) IAdd 44 46
@@ -249,6 +266,26 @@ spv.precision.frag
137: Label
145: 21(fvec4) Load 135
Store 76(mediumfout) 145
151: 150(ptr) AccessChain 149(gl_SampleMaskIn) 120
152: 39(int) Load 151
153: 39(int) Load 43(uniform_medium)
154: 39(int) ShiftRightArithmetic 152 153
155: 14(bool) SGreaterThan 154 120
SelectionMerge 158 None
BranchConditional 155 157 161
157: Label
159: 21(fvec4) Load 76(mediumfout)
160: 21(fvec4) VectorTimesScalar 159 138
Store 156 160
Branch 158
161: Label
162: 21(fvec4) Load 76(mediumfout)
163: 21(fvec4) VectorTimesScalar 162 142
Store 156 163
Branch 158
158: Label
164: 21(fvec4) Load 156
Store 76(mediumfout) 164
Return
FunctionEnd
12(foo(vf3;): 9(fvec2) Function None 10