[Mlir-commits] [mlir] 3d4f1fe - [mlir][spirv] Fix UpdateVCEPass to deduce the correct set of capabilities (#151108)
llvmlistbot at llvm.org
llvmlistbot at llvm.org
Wed Jul 30 06:46:19 PDT 2025
Author: Davide Grohmann
Date: 2025-07-30T14:46:15+01:00
New Revision: 3d4f1fee48689465b5026f75414247307db7d34d
URL: https://github.com/llvm/llvm-project/commit/3d4f1fee48689465b5026f75414247307db7d34d
DIFF: https://github.com/llvm/llvm-project/commit/3d4f1fee48689465b5026f75414247307db7d34d.diff
LOG: [mlir][spirv] Fix UpdateVCEPass to deduce the correct set of capabilities (#151108)
When deducing capabilities implied capabilities are not considered,
which causes generation of incorrect SPIR-V modules. This commit fixes
that by pulling in the capability set for all the implied ones.
---------
Signed-off-by: Davide Grohmann <davide.grohmann at arm.com>
Added:
Modified:
mlir/lib/Dialect/SPIRV/Transforms/UpdateVCEPass.cpp
mlir/test/Dialect/SPIRV/Transforms/vce-deduction.mlir
Removed:
################################################################################
diff --git a/mlir/lib/Dialect/SPIRV/Transforms/UpdateVCEPass.cpp b/mlir/lib/Dialect/SPIRV/Transforms/UpdateVCEPass.cpp
index 6a9b951ca61d6..9b1c84ee66156 100644
--- a/mlir/lib/Dialect/SPIRV/Transforms/UpdateVCEPass.cpp
+++ b/mlir/lib/Dialect/SPIRV/Transforms/UpdateVCEPass.cpp
@@ -95,6 +95,13 @@ static LogicalResult checkAndUpdateCapabilityRequirements(
return success();
}
+static void addAllImpliedCapabilities(SetVector<spirv::Capability> &caps) {
+ for (spirv::Capability cap : caps) {
+ ArrayRef<spirv::Capability> impliedCaps = getDirectImpliedCapabilities(cap);
+ caps.insert_range(impliedCaps);
+ }
+}
+
void UpdateVCEPass::runOnOperation() {
spirv::ModuleOp module = getOperation();
@@ -168,6 +175,8 @@ void UpdateVCEPass::runOnOperation() {
return WalkResult::interrupt();
}
+ addAllImpliedCapabilities(deducedCapabilities);
+
return WalkResult::advance();
});
diff --git a/mlir/test/Dialect/SPIRV/Transforms/vce-deduction.mlir b/mlir/test/Dialect/SPIRV/Transforms/vce-deduction.mlir
index 2b237665ffc4a..d657633665876 100644
--- a/mlir/test/Dialect/SPIRV/Transforms/vce-deduction.mlir
+++ b/mlir/test/Dialect/SPIRV/Transforms/vce-deduction.mlir
@@ -7,7 +7,7 @@
// Test deducing minimal version.
// spirv.IAdd is available from v1.0.
-// CHECK: requires #spirv.vce<v1.0, [Shader], []>
+// CHECK: requires #spirv.vce<v1.0, [Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.5, [Shader], []>, #spirv.resource_limits<>>
@@ -21,7 +21,7 @@ spirv.module Logical GLSL450 attributes {
// Test deducing minimal version.
// spirv.GroupNonUniformBallot is available since v1.3.
-// CHECK: requires #spirv.vce<v1.3, [GroupNonUniformBallot, Shader], []>
+// CHECK: requires #spirv.vce<v1.3, [GroupNonUniformBallot, GroupNonUniform, Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.5, [Shader, GroupNonUniformBallot], []>, #spirv.resource_limits<>>
@@ -32,7 +32,7 @@ spirv.module Logical GLSL450 attributes {
}
}
-// CHECK: requires #spirv.vce<v1.4, [Shader], []>
+// CHECK: requires #spirv.vce<v1.4, [Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<#spirv.vce<v1.6, [Shader], []>, #spirv.resource_limits<>>
} {
@@ -48,7 +48,7 @@ spirv.module Logical GLSL450 attributes {
// Test minimal capabilities.
-// CHECK: requires #spirv.vce<v1.0, [Shader], []>
+// CHECK: requires #spirv.vce<v1.0, [Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.0, [Shader, Float16, Float64, Int16, Int64, VariablePointers], []>, #spirv.resource_limits<>>
@@ -61,10 +61,10 @@ spirv.module Logical GLSL450 attributes {
// Test Physical Storage Buffers are deduced correctly.
-// CHECK: spirv.module PhysicalStorageBuffer64 GLSL450 requires #spirv.vce<v1.0, [PhysicalStorageBufferAddresses, Shader], [SPV_EXT_physical_storage_buffer]>
+// CHECK: spirv.module PhysicalStorageBuffer64 GLSL450 requires #spirv.vce<v1.0, [PhysicalStorageBufferAddresses, Shader, Matrix], [SPV_EXT_physical_storage_buffer]>
spirv.module PhysicalStorageBuffer64 GLSL450 attributes {
spirv.target_env = #spirv.target_env<
- #spirv.vce<v1.0, [Shader, PhysicalStorageBufferAddresses], [SPV_EXT_physical_storage_buffer]>, #spirv.resource_limits<>>
+ #spirv.vce<v1.0, [PhysicalStorageBufferAddresses], [SPV_EXT_physical_storage_buffer]>, #spirv.resource_limits<>>
} {
spirv.func @physical_ptr(%val : !spirv.ptr<f32, PhysicalStorageBuffer> { spirv.decoration = #spirv.decoration<Aliased> }) "None" {
spirv.Return
@@ -74,7 +74,7 @@ spirv.module PhysicalStorageBuffer64 GLSL450 attributes {
// Test deducing implied capability.
// AtomicStorage implies Shader.
-// CHECK: requires #spirv.vce<v1.0, [Shader], []>
+// CHECK: requires #spirv.vce<v1.0, [Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.0, [AtomicStorage], []>, #spirv.resource_limits<>>
@@ -95,7 +95,7 @@ spirv.module Logical GLSL450 attributes {
// * GroupNonUniformArithmetic
// * GroupNonUniformBallot
-// CHECK: requires #spirv.vce<v1.3, [GroupNonUniformArithmetic, Shader], []>
+// CHECK: requires #spirv.vce<v1.3, [GroupNonUniformArithmetic, GroupNonUniform, Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.3, [Shader, GroupNonUniformArithmetic], []>, #spirv.resource_limits<>>
@@ -106,7 +106,7 @@ spirv.module Logical GLSL450 attributes {
}
}
-// CHECK: requires #spirv.vce<v1.3, [GroupNonUniformClustered, GroupNonUniformBallot, Shader], []>
+// CHECK: requires #spirv.vce<v1.3, [GroupNonUniformClustered, GroupNonUniformBallot, GroupNonUniform, Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.3, [Shader, GroupNonUniformClustered, GroupNonUniformBallot], []>, #spirv.resource_limits<>>
@@ -120,7 +120,7 @@ spirv.module Logical GLSL450 attributes {
// Test type required capabilities
// Using 8-bit integers in non-interface storage class requires Int8.
-// CHECK: requires #spirv.vce<v1.0, [Int8, Shader], []>
+// CHECK: requires #spirv.vce<v1.0, [Int8, Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.3, [Shader, Int8], []>, #spirv.resource_limits<>>
@@ -132,7 +132,7 @@ spirv.module Logical GLSL450 attributes {
}
// Using 16-bit floats in non-interface storage class requires Float16.
-// CHECK: requires #spirv.vce<v1.0, [Float16, Shader], []>
+// CHECK: requires #spirv.vce<v1.0, [Float16, Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.3, [Shader, Float16], []>, #spirv.resource_limits<>>
@@ -144,7 +144,7 @@ spirv.module Logical GLSL450 attributes {
}
// Using 16-element vectors requires Vector16.
-// CHECK: requires #spirv.vce<v1.0, [Vector16, Shader], []>
+// CHECK: requires #spirv.vce<v1.0, [Vector16, Kernel, Shader, Matrix], []>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.3, [Shader, Vector16], []>, #spirv.resource_limits<>>
@@ -162,7 +162,7 @@ spirv.module Logical GLSL450 attributes {
// Test deducing minimal extensions.
// spirv.KHR.SubgroupBallot requires the SPV_KHR_shader_ballot extension.
-// CHECK: requires #spirv.vce<v1.0, [SubgroupBallotKHR, Shader], [SPV_KHR_shader_ballot]>
+// CHECK: requires #spirv.vce<v1.0, [SubgroupBallotKHR, Shader, Matrix], [SPV_KHR_shader_ballot]>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.0, [Shader, SubgroupBallotKHR],
@@ -193,7 +193,7 @@ spirv.module Logical Vulkan attributes {
// Using 8-bit integers in interface storage class requires additional
// extensions and capabilities.
-// CHECK: requires #spirv.vce<v1.0, [StorageBuffer16BitAccess, Shader, Int16], [SPV_KHR_16bit_storage, SPV_KHR_storage_buffer_storage_class]>
+// CHECK: requires #spirv.vce<v1.0, [StorageBuffer16BitAccess, Shader, Int16, Matrix], [SPV_KHR_16bit_storage, SPV_KHR_storage_buffer_storage_class]>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.3, [Shader, StorageBuffer16BitAccess, Int16], []>, #spirv.resource_limits<>>
@@ -208,7 +208,7 @@ spirv.module Logical GLSL450 attributes {
// Complicated nested types
// * Buffer requires ImageBuffer or SampledBuffer.
// * Rg32f requires StorageImageExtendedFormats.
-// CHECK: requires #spirv.vce<v1.0, [UniformAndStorageBuffer8BitAccess, StorageUniform16, Int64, Shader, ImageBuffer, StorageImageExtendedFormats], [SPV_KHR_8bit_storage, SPV_KHR_16bit_storage]>
+// CHECK: requires #spirv.vce<v1.0, [UniformAndStorageBuffer8BitAccess, StorageUniform16, Int64, Shader, StorageBuffer8BitAccess, StorageBuffer16BitAccess, Matrix, ImageBuffer, StorageImageExtendedFormats, SampledBuffer], [SPV_KHR_8bit_storage, SPV_KHR_16bit_storage]>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.5, [Shader, UniformAndStorageBuffer8BitAccess, StorageBuffer16BitAccess, StorageUniform16, Int16, Int64, ImageBuffer, StorageImageExtendedFormats], []>,
@@ -219,7 +219,7 @@ spirv.module Logical GLSL450 attributes {
}
// Using bfloat16 requires BFloat16TypeKHR capability and SPV_KHR_bfloat16 extension.
-// CHECK: requires #spirv.vce<v1.0, [StorageBuffer16BitAccess, Shader, BFloat16TypeKHR], [SPV_KHR_bfloat16, SPV_KHR_16bit_storage, SPV_KHR_storage_buffer_storage_class]>
+// CHECK: requires #spirv.vce<v1.0, [StorageBuffer16BitAccess, Shader, BFloat16TypeKHR, Matrix], [SPV_KHR_bfloat16, SPV_KHR_16bit_storage, SPV_KHR_storage_buffer_storage_class]>
spirv.module Logical GLSL450 attributes {
spirv.target_env = #spirv.target_env<
#spirv.vce<v1.0, [Shader, StorageBuffer16BitAccess, BFloat16TypeKHR], [SPV_KHR_bfloat16, SPV_KHR_16bit_storage, SPV_KHR_storage_buffer_storage_class]>,
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