yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

Jay KwakClone name hint decoration when emiting Undefined (#6415)f90a7631a

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1.0 KiB37 linesraw
1//TEST:SIMPLE(filecheck=CHK):
2
3// Test if the variable name is a part of the error message
4// when it is used inside of for-loop
5
6RWStructuredBuffer<float> gInput;
7RWStructuredBuffer<float> outputBuffer;
8
9//CHK-DAG: ([[#@LINE+1]]): warning 41016: use of uninitialized variable 'a'
10float func1() { float a; return a; }
11
12//CHK-DAG: ([[#@LINE+1]]): warning 41016: use of uninitialized variable 'b'
13float func2() { float b; return b; }
14
15int test(int inVal)
16{
17    return inVal;
18}
19
20[Shader("compute")]
21[NumThreads(4, 1, 1)]
22void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
23{
24    int tid = dispatchThreadID.x;
25    int inVal1; // intentionally uninitialized
26    int inVal2; // intentionally uninitialized
27
28    for (int i = 0; i <2; ++i)
29    {
30        // CHK-DAG: ([[#@LINE+1]]): warning 41016: use of uninitialized variable 'inVal1'
31        int outVal = test(inVal1);
32
33        // CHK-DAG: ([[#@LINE+1]]): warning 41016: use of uninitialized variable 'inVal2'
34        outVal += test(inVal2);
35        outputBuffer[tid] = outVal;
36    }
37}