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When an OpConstantComposite result is used by multiple instructions, declare it as a module-scope `const` instead of inlining the constant at each use site. This fixes an issue whereby the spirv-reader was massively inflating the size of the WGSL it produces, which was caught via an OOM fuzzer bug. Bug: oss-fuzz:57795 Change-Id: Iac8c6a2147a7e2ebfddbaacae9fcb1dbe0b59e9d Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/128881 Auto-Submit: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: David Neto <dneto@google.com> Commit-Queue: David Neto <dneto@google.com>
65 lines
1.3 KiB
Plaintext
65 lines
1.3 KiB
Plaintext
#include <metal_stdlib>
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using namespace metal;
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template<typename T, size_t N>
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struct tint_array {
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const constant T& operator[](size_t i) const constant { return elements[i]; }
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device T& operator[](size_t i) device { return elements[i]; }
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const device T& operator[](size_t i) const device { return elements[i]; }
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thread T& operator[](size_t i) thread { return elements[i]; }
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const thread T& operator[](size_t i) const thread { return elements[i]; }
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threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
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const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
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T elements[N];
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};
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struct S_6 {
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tint_array<tint_array<float3, 18>, 13> field0;
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};
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struct tint_private_vars_struct {
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tint_array<float4x4, 58> x_75;
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tint_array<S_6, 46> x_82;
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tint_array<float3, 37> x_85;
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};
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struct S {
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float3x3 field0;
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};
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struct S_1 {
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tint_array<tint_array<tint_array<S, 83>, 21>, 47> field0;
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};
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struct S_2 {
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tint_array<tint_array<float3, 37>, 95> field0;
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};
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struct S_3 {
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S_2 field0;
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};
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struct S_4 {
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tint_array<int2, 56> field0;
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};
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struct S_5 {
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S_4 field0;
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};
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struct S_7 {
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tint_array<int2, 88> field0;
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};
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void main_1() {
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uint const x_88 = 58u;
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return;
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}
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fragment void tint_symbol() {
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main_1();
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return;
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}
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