In principle nothing should stop these from working, but
work is necessary to create an ABI for dealing with the stack
related registers.
llvm-svn: 335829
"unsupported required tail call to function ");
}
+ if (AMDGPU::isShader(MF.getFunction().getCallingConv())) {
+ // Note the issue is with the CC of the calling function, not of the call
+ // itself.
+ return lowerUnhandledCall(CLI, InVals,
+ "unsupported call from graphics shader of function ");
+ }
+
// The first 4 bytes are reserved for the callee's emergency stack slot.
const unsigned CalleeUsableStackOffset = 4;
call void %fptr()
ret void
}
+
+; GCN: :0:0: in function test_call_from_shader i32 (): unsupported call from graphics shader of function defined_function
+; R600: in function test_call{{.*}}: unsupported call to function defined_function
+define amdgpu_ps i32 @test_call_from_shader() {
+ %call = call i32 @defined_function(i32 0)
+ ret i32 %call
+}