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spirv: Implement compound assignment

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Use the ExpandCompoundAssignment transform to convert compound
assignments to regular assignments.

Bug: tint:1325
Change-Id: I193a09815836755bc1f7138fe1947be39f7b7206
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/85285
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: James Price <jrprice@google.com>
This commit is contained in:
James Price
2022-03-31 22:30:10 +00:00
parent 508a9660a5
commit 16eeff387c
33 changed files with 1550 additions and 489 deletions
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60
test/tint/statements/compound_assign/vector/modulo-scalar.wgsl.expected.spvasm
View File

@@ -1,14 +1,46 @@
SKIP: FAILED
struct S {
a : vec4<i32>,
}
@group(0) @binding(0) var<storage, read_write> v : S;
fn foo() {
v.a %= 2;
}
Failed to generate: Unknown statement: tint::ast::CompoundAssignmentStatement
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 24
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %unused_entry_point "unused_entry_point"
OpExecutionMode %unused_entry_point LocalSize 1 1 1
OpName %S "S"
OpMemberName %S 0 "a"
OpName %v "v"
OpName %unused_entry_point "unused_entry_point"
OpName %foo "foo"
OpDecorate %S Block
OpMemberDecorate %S 0 Offset 0
OpDecorate %v DescriptorSet 0
OpDecorate %v Binding 0
%int = OpTypeInt 32 1
%v4int = OpTypeVector %int 4
%S = OpTypeStruct %v4int
%_ptr_StorageBuffer_S = OpTypePointer StorageBuffer %S
%v = OpVariable %_ptr_StorageBuffer_S StorageBuffer
%void = OpTypeVoid
%6 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%uint_0 = OpConstant %uint 0
%_ptr_StorageBuffer_v4int = OpTypePointer StorageBuffer %v4int
%int_2 = OpConstant %int 2
%_ptr_Function_v4int = OpTypePointer Function %v4int
%22 = OpConstantNull %v4int
%unused_entry_point = OpFunction %void None %6
%9 = OpLabel
OpReturn
OpFunctionEnd
%foo = OpFunction %void None %6
%11 = OpLabel
%20 = OpVariable %_ptr_Function_v4int Function %22
%15 = OpAccessChain %_ptr_StorageBuffer_v4int %v %uint_0
%16 = OpAccessChain %_ptr_StorageBuffer_v4int %v %uint_0
%17 = OpLoad %v4int %16
%23 = OpCompositeConstruct %v4int %int_2 %int_2 %int_2 %int_2
%19 = OpSMod %v4int %17 %23
OpStore %15 %19
OpReturn
OpFunctionEnd