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-rw-r--r--tests/spirv/spec-constant-sized-array-2.slang48
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/spirv/spec-constant-sized-array-2.slang b/tests/spirv/spec-constant-sized-array-2.slang
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+//TEST:SIMPLE(filecheck=CHECK): -target spirv
+//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -output-using-type
+
+// CHECK: %[[C0:[0-9A-Za-z_]+]] = OpSpecConstant %int 32
+// CHECK: %[[I2:[0-9A-Za-z_]+]] = OpConstant %int 2
+// CHECK: %[[COP0:[0-9A-Za-z_]+]] = OpSpecConstantOp %int SDiv %[[C0]] %[[I2]]
+// CHECK: %[[COP1:[0-9A-Za-z_]+]] = OpSpecConstantOp %int ShiftRightArithmetic %[[C0]] %[[I2]]
+// CHECK: %[[COP2:[0-9A-Za-z_]+]] = OpSpecConstantOp %int IAdd %[[COP0]] %[[COP1]]
+// CHECK: %[[ARR_TYPE:[0-9A-Za-z_]+]] = OpTypeArray %float %[[COP2]]
+// CHECK: %[[PT_TYPE:[0-9A-Za-z_]+]] = OpTypePointer Function %[[ARR_TYPE]]
+
+[SpecializationConstant]
+const int constValue0 = 32;
+
+//TEST_INPUT:ubuffer(data=[0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+static float g_buffer[constValue0 / 2 + (constValue0 >> 2)];
+
+[shader("compute")]
+[numthreads(1, 1, 1)]
+void computeMain()
+{
+ float buffer[constValue0 / 2 + (constValue0 >> 2)];
+ // CHECK: OpVariable %[[PT_TYPE]] Function
+
+ static const int size = constValue0 / 2 + (constValue0 >> 2); // 16 + 8 = 24
+ for (uint i = 0; i < size; i++)
+ {
+ buffer[i] = i;
+ g_buffer[i] = i * 2;
+ }
+
+ float temp1 = 0.0f;
+ float temp2 = 0.0f;
+ for (uint i = 0; i < size; i++)
+ {
+ temp1 += buffer[i] * 2;
+ temp2 += g_buffer[i];
+ }
+
+ // Result will be (0 + size-1) * size = (0 + 23) * 24 = 552
+ outputBuffer[0] = temp1;
+ // BUF: 552
+
+ outputBuffer[1] = temp2;
+ // BUF-NEXT: 552
+}