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Refresh cached resources in one SRT walk

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This commit is contained in:
nmzik
2026-09-23 10:41:03 +04:00
parent d6dac92da1
commit 13fcb3a133
16 changed files with 977 additions and 1111 deletions
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tests/ScalarProvenanceTests.cpp
+16 -23
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@@ -122,7 +122,7 @@ void TestImmediateFlatteningAndGvn() {
TestMemory memory_image{{{0x1020u, 0xfeedbeefu}}};
SrtRuntime runtime{.read_memory = ReadMemory, .userdata = &memory_image};
std::vector<uint32_t> flat;
Check(WalkSrt(fixture.program, runtime, flat), "flattened SRT walk failed");
Check(SrtWalker(fixture.program, runtime).RefreshFlatBuffer(flat), "flattened SRT walk failed");
Check(flat == std::vector<uint32_t>{0xfeedbeefu} && memory_image.reads == 1,
"flattened SRT did not evaluate its canonical read once");
}
@@ -139,7 +139,7 @@ void TestRawScalarComponentAlignment() {
TestMemory memory_image{{{0x1000u, 0x12345678u}}};
SrtRuntime runtime{.read_memory = ReadMemory, .userdata = &memory_image};
std::vector<uint32_t> flat;
Check(WalkSrt(fixture.program, runtime, flat), "raw scalar SRT walk failed");
Check(SrtWalker(fixture.program, runtime).RefreshFlatBuffer(flat), "raw scalar SRT walk failed");
Check(
flat == std::vector<uint32_t>{0x12345678u} && memory_image.reads == 1,
"raw scalar base, immediate, and offset were not aligned independently");
@@ -195,7 +195,7 @@ void TestNestedSrtWalk() {
TestMemory memory_image{{{0x1000u, 0x2000u}, {0x2000u, 0xabcdef01u}}};
SrtRuntime runtime{.read_memory = ReadMemory, .userdata = &memory_image};
std::vector<uint32_t> flat;
Check(WalkSrt(fixture.program, runtime, flat), "nested SRT walk failed");
Check(SrtWalker(fixture.program, runtime).RefreshFlatBuffer(flat), "nested SRT walk failed");
Check(flat == std::vector<uint32_t>({0x2000u, 0xabcdef01u}),
"nested typed SRT reads were not evaluated in dependency order");
}
@@ -218,7 +218,7 @@ void TestShaderBaseAndUserData() {
SrtRuntime runtime{.user_data = user_data,
.shader_base = 0x12345678abcdef00ull};
DescriptorValue result;
Check(EvaluateDescriptorSource(fixture.program, 0, runtime, result),
Check(SrtWalker(fixture.program, runtime).EvaluateDescriptor(0, result),
"shader-relative descriptor evaluation failed");
Check(result.dword_count == 3 && result.dwords[0] == 0xabcdef00u &&
result.dwords[1] == 0x12345678u && result.dwords[2] == 0x24u,
@@ -243,7 +243,7 @@ void TestCarryAndBitFields() {
{.dwords = {low, high, inserted, sign}, .dword_count = 4});
DescriptorValue result;
Check(EvaluateDescriptorSource(fixture.program, 0, {}, result),
Check(SrtWalker(fixture.program, {}).EvaluateDescriptor(0, result),
"carry and bit-field descriptor evaluation failed");
Check(result.dwords[0] == 1u && result.dwords[1] == 1u &&
result.dwords[2] == 0x89abcdefu && result.dwords[3] == 0xffffffffu,
@@ -267,14 +267,11 @@ void TestInvariantAndDivergentPhi() {
{.dwords = {Value(&divergent)}, .dword_count = 1});
DescriptorValue result;
Check(EvaluateDescriptorSource(fixture.program, 0, {}, result) &&
Check(SrtWalker(fixture.program, {}).EvaluateDescriptor(0, result) &&
result.dwords[0] == 7u,
"loop-invariant typed phi was rejected");
result.dword_count = 4;
result.dwords[0] = 0xdeadbeefu;
Check(!EvaluateDescriptorSource(fixture.program, 1, {}, result) &&
result.dword_count == 4 && result.dwords[0] == 0xdeadbeefu,
"divergent phi did not fail transactionally");
Check(!SrtWalker(fixture.program, {}).EvaluateDescriptor(1, result),
"divergent phi was accepted");
}
void TestControlDependentStandaloneLoadStaysTyped() {
@@ -314,7 +311,7 @@ void TestRuntime64BitDescriptorOps() {
{.dwords = {low, high}, .dword_count = 2});
DescriptorValue result;
Check(EvaluateDescriptorSource(fixture.program, 0, {}, result) &&
Check(SrtWalker(fixture.program, {}).EvaluateDescriptor(0, result) &&
result.dwords[0] == 0xabcdu && result.dwords[1] == 0x1235u,
"64-bit typed descriptor arithmetic evaluation is incorrect");
}
@@ -389,11 +386,11 @@ void TestUniformFirstLaneSamplerLod() {
user_data[6] = 3u;
SrtRuntime runtime{.user_data = user_data};
DescriptorValue result;
Check(EvaluateDescriptorSource(fixture.program, 0, runtime, result) &&
Check(SrtWalker(fixture.program, runtime).EvaluateDescriptor(0, result) &&
result.dwords[0] == 0x00300300u,
"uniform sampler LOD evaluated incorrectly");
user_data[6] = 20u;
Check(EvaluateDescriptorSource(fixture.program, 0, runtime, result) &&
Check(SrtWalker(fixture.program, runtime).EvaluateDescriptor(0, result) &&
result.dwords[0] == 0x00ffffffu,
"uniform sampler LOD clamp evaluated incorrectly");
}
@@ -455,7 +452,7 @@ void TestConstantBufferBounds() {
TestMemory memory_image{{{0x300cu, 0xa5a5a5a5u}}};
SrtRuntime runtime{.read_memory = ReadMemory, .userdata = &memory_image};
std::vector<uint32_t> flat;
Check(WalkSrt(fixture.program, runtime, flat) &&
Check(SrtWalker(fixture.program, runtime).RefreshFlatBuffer(flat) &&
flat == std::vector<uint32_t>{0xa5a5a5a5u},
"constant-buffer SRT walk failed");
@@ -470,10 +467,8 @@ void TestConstantBufferBounds() {
overflow.Emit(ValueOpcode::GetBufferResource,
{overflow_read, Value(0u), Value(16u), Value(0u)});
overflow.Plan();
flat = {0x55u};
Check(!WalkSrt(overflow.program, runtime, flat) &&
flat == std::vector<uint32_t>{0x55u},
"out-of-bounds constant-buffer walk was not transactional");
Check(!SrtWalker(overflow.program, runtime).RefreshFlatBuffer(flat),
"out-of-bounds constant-buffer walk was accepted");
}
void TestReadLaneElimination() {
@@ -560,10 +555,8 @@ void TestUndefinedRuntimeValueFails() {
fixture.program.descriptor_sources.push_back(
{.dwords = {undef}, .dword_count = 1});
DescriptorValue result;
result.dword_count = 3;
Check(!EvaluateDescriptorSource(fixture.program, 0, {}, result) &&
result.dword_count == 3,
"undefined typed descriptor source did not fail transactionally");
Check(!SrtWalker(fixture.program, {}).EvaluateDescriptor(0, result),
"undefined typed descriptor source was accepted");
}
} // namespace