dawn-cmake/test/tint/var/initialization/function/array/array_i32.wgsl.expected.spvasm
Ben Clayton f47887d207 tint/writer/msl: Generate an array<T,N> helper
And remove the WrapArraysInStructs transform.

Wrapping arrays in structures becomes troublesome for `const` arrays, as
currently WGSL does not allow `const` structures.

MSL 2.0+ has a builtin array<> helper, but we're targetting MSL 1.2, so
we have to emit our own. Fortunately, it can be done with a few lines of
templated code.

This produces significantly cleaner output.

Change-Id: Ifc92ef21e09befa252a07c856c4b5afdc51cc2e4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94540
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
2022-06-24 17:01:59 +00:00

41 lines
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; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 24
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpName %main "main"
OpName %zero "zero"
OpName %init "init"
OpDecorate %_arr_int_uint_3 ArrayStride 4
OpDecorate %_arr__arr_int_uint_3_uint_2 ArrayStride 12
%void = OpTypeVoid
%1 = OpTypeFunction %void
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%uint_3 = OpConstant %uint 3
%_arr_int_uint_3 = OpTypeArray %int %uint_3
%uint_2 = OpConstant %uint 2
%_arr__arr_int_uint_3_uint_2 = OpTypeArray %_arr_int_uint_3 %uint_2
%_ptr_Function__arr__arr_int_uint_3_uint_2 = OpTypePointer Function %_arr__arr_int_uint_3_uint_2
%13 = OpConstantNull %_arr__arr_int_uint_3_uint_2
%int_1 = OpConstant %int 1
%int_2 = OpConstant %int 2
%int_3 = OpConstant %int 3
%17 = OpConstantComposite %_arr_int_uint_3 %int_1 %int_2 %int_3
%int_4 = OpConstant %int 4
%int_5 = OpConstant %int 5
%int_6 = OpConstant %int 6
%21 = OpConstantComposite %_arr_int_uint_3 %int_4 %int_5 %int_6
%22 = OpConstantComposite %_arr__arr_int_uint_3_uint_2 %17 %21
%main = OpFunction %void None %1
%4 = OpLabel
%zero = OpVariable %_ptr_Function__arr__arr_int_uint_3_uint_2 Function %13
%init = OpVariable %_ptr_Function__arr__arr_int_uint_3_uint_2 Function %13
OpStore %init %22
OpReturn
OpFunctionEnd