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Adding WillReturn attribute to intrinsics with memory(read)
Adding `WillReturn` attributes to all intrinsics with `Ref` memory_effects to solve performance regressions from LLVM 16 transition.
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‎IGC/GenISAIntrinsics/generator/input/Intrinsic_definitions.yml‎

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@@ -287,6 +287,7 @@ intrinsics:
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comment: "owordAttributeIndex"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -303,6 +304,7 @@ intrinsics:
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comment: "owordAttributeIndex"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -993,6 +995,7 @@ intrinsics:
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arguments: []
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -1808,6 +1811,7 @@ intrinsics:
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comment: "render target slot"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -1828,6 +1832,7 @@ intrinsics:
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comment: "sample index"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -2096,6 +2101,7 @@ intrinsics:
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comment: "urb offset"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -7847,6 +7853,7 @@ intrinsics:
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attributes:
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- !AttributeID "Convergent"
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -7868,6 +7875,7 @@ intrinsics:
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attributes:
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- !AttributeID "Convergent"
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -8011,6 +8019,7 @@ intrinsics:
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attributes:
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- !AttributeID "Convergent"
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10061,6 +10070,7 @@ intrinsics:
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comment: "cache controls options (LSC_CACHE_OPTS)"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10089,6 +10099,7 @@ intrinsics:
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comment: "value to use if predicate is false"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10151,6 +10162,7 @@ intrinsics:
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comment: "cache controls options (LSC_CACHE_OPTS)"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10183,6 +10195,7 @@ intrinsics:
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comment: "cache controls options (LSC_CACHE_OPTS)"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10701,6 +10714,7 @@ intrinsics:
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comment: "primitiveIndex"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10721,6 +10735,7 @@ intrinsics:
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comment: "primitiveIndex : ignored for PrimitiveCount"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10791,6 +10806,7 @@ intrinsics:
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comment: "vertexIndex"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -10848,6 +10864,7 @@ intrinsics:
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comment: "owordOffset"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref
@@ -11390,6 +11407,7 @@ intrinsics:
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comment: "Unused, added for parity with GenISA_RayInfo"
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attributes:
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- !AttributeID "NoUnwind"
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- !AttributeID "WillReturn"
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memory_effects:
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- !<MemoryRestriction>
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memory_access: !MemoryAccessType Ref

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