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https://github.com/encounter/dawn-cmake.git
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ed86bf99b0
Performs basic peephole optimizations on the AST. Use in transform::Hlsl. Required to have the DecomposeStorageAccess transform operate correctly with the output of InlinePointerLets transform, specifically when declaring `let` pointer expressions to storage buffers. Fixed: tint:221 Fixed: tint:492 Fixed: tint:829 Change-Id: I536390921a6492378104e9c3c100d9e761294a27 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51921 Commit-Queue: Ben Clayton <bclayton@chromium.org> Reviewed-by: David Neto <dneto@google.com>
28 lines
539 B
HLSL
28 lines
539 B
HLSL
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ByteAddressBuffer b : register(t0, space0);
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[numthreads(1, 1, 1)]
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void main() {
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uint i = 0u;
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while (true) {
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if ((i >= b.Load(0u))) {
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break;
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}
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const uint p_save = i;
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if (((i % 2u) == 0u)) {
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{
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b.Store((4u + (4u * p_save)), asuint((b.Load((4u + (4u * p_save))) * 2u)));
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i = (i + 1u);
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}
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continue;
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}
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b.Store((4u + (4u * p_save)), asuint(0u));
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{
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b.Store((4u + (4u * p_save)), asuint((b.Load((4u + (4u * p_save))) * 2u)));
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i = (i + 1u);
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}
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}
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return;
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}
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