SKIP: FAILED #include using namespace metal; void frexp_0da285(threadgroup int* const tint_symbol_1) { float res = frexp(1.0f, *(&(*(tint_symbol_1)))); } kernel void compute_main(uint local_invocation_index [[thread_index_in_threadgroup]]) { threadgroup int tint_symbol_2; if ((local_invocation_index == 0u)) { tint_symbol_2 = int(); } threadgroup_barrier(mem_flags::mem_threadgroup); frexp_0da285(&(tint_symbol_2)); return; } Compilation failed: program_source:5:15: error: no matching function for call to 'frexp' float res = frexp(1.0f, *(&(*(tint_symbol_1)))); ^~~~~ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:4560:18: note: candidate function not viable: address space mismatch in 2nd argument ('threadgroup int'), parameter type must be 'int &' METAL_FUNC float frexp(float x, thread int &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:3092:17: note: candidate function not viable: address space mismatch in 2nd argument ('threadgroup int'), parameter type must be 'int &' METAL_FUNC half frexp(half x, thread int &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:3336:18: note: candidate function not viable: no known conversion from 'threadgroup int' to 'metal::int2 &' (aka 'int2 &') for 2nd argument METAL_FUNC half2 frexp(half2 x, thread int2 &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:3580:18: note: candidate function not viable: no known conversion from 'threadgroup int' to 'metal::int3 &' (aka 'int3 &') for 2nd argument METAL_FUNC half3 frexp(half3 x, thread int3 &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:3824:18: note: candidate function not viable: no known conversion from 'threadgroup int' to 'metal::int4 &' (aka 'int4 &') for 2nd argument METAL_FUNC half4 frexp(half4 x, thread int4 &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:4804:19: note: candidate function not viable: no known conversion from 'threadgroup int' to 'metal::int2 &' (aka 'int2 &') for 2nd argument METAL_FUNC float2 frexp(float2 x, thread int2 &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:5048:19: note: candidate function not viable: no known conversion from 'threadgroup int' to 'metal::int3 &' (aka 'int3 &') for 2nd argument METAL_FUNC float3 frexp(float3 x, thread int3 &exp) ^ /System/Library/PrivateFrameworks/GPUCompiler.framework/Versions/31001/Libraries/lib/clang/31001.189/include/metal/metal_math:5292:19: note: candidate function not viable: no known conversion from 'threadgroup int' to 'metal::int4 &' (aka 'int4 &') for 2nd argument METAL_FUNC float4 frexp(float4 x, thread int4 &exp) ^ program_source:10:31: warning: equality comparison with extraneous parentheses if ((local_invocation_index == 0u)) { ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ program_source:10:31: note: remove extraneous parentheses around the comparison to silence this warning if ((local_invocation_index == 0u)) { ~ ^ ~ program_source:10:31: note: use '=' to turn this equality comparison into an assignment if ((local_invocation_index == 0u)) { ^~ =