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87 lines
3.8 KiB
LLVM
87 lines
3.8 KiB
LLVM
; RUN: not llc -march=amdgcn -mtriple=amdgcn-- -tailcallopt < %s 2>&1 | FileCheck -check-prefix=GCN %s
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; RUN: not llc -march=r600 -mtriple=r600-- -mcpu=cypress -tailcallopt < %s 2>&1 | FileCheck -check-prefix=R600 %s
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declare i32 @external_function(i32) nounwind
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; GCN-NOT: error
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; R600: in function test_call_external{{.*}}: unsupported call to function external_function
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define amdgpu_kernel void @test_call_external(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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%a = load i32, i32 addrspace(1)* %in
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%b = load i32, i32 addrspace(1)* %b_ptr
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%c = call i32 @external_function(i32 %b) nounwind
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%result = add i32 %a, %c
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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define i32 @defined_function(i32 %x) nounwind noinline {
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%y = add i32 %x, 8
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ret i32 %y
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}
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; GCN-NOT: error
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; R600: in function test_call{{.*}}: unsupported call to function defined_function
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define amdgpu_kernel void @test_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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%a = load i32, i32 addrspace(1)* %in
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%b = load i32, i32 addrspace(1)* %b_ptr
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%c = call i32 @defined_function(i32 %b) nounwind
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%result = add i32 %a, %c
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store i32 %result, i32 addrspace(1)* %out
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ret void
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}
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; GCN: error: <unknown>:0:0: in function test_tail_call i32 (i32 addrspace(1)*, i32 addrspace(1)*): unsupported required tail call to function defined_function
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; R600: in function test_tail_call{{.*}}: unsupported call to function defined_function
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define i32 @test_tail_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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%a = load i32, i32 addrspace(1)* %in
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%b = load i32, i32 addrspace(1)* %b_ptr
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%c = tail call i32 @defined_function(i32 %b)
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ret i32 %c
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}
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declare void @external.varargs(i32, double, i64, ...)
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; GCN: error: <unknown>:0:0: in function test_call_varargs void (): unsupported call to variadic function external.varargs
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; R600: in function test_call_varargs{{.*}}: unsupported call to function external.varargs
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define void @test_call_varargs() {
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call void (i32, double, i64, ...) @external.varargs(i32 42, double 1.0, i64 12, i8 3, i16 1, i32 4, float 1.0, double 2.0)
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ret void
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}
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declare i32 @extern_variadic(...)
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; GCN: in function test_tail_call_bitcast_extern_variadic{{.*}}: unsupported call to variadic function extern_variadic
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; R600: in function test_tail_call_bitcast_extern_variadic{{.*}}: unsupported call to function extern_variadic
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define i32 @test_tail_call_bitcast_extern_variadic(<4 x float> %arg0, <4 x float> %arg1, i32 %arg2) {
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%add = fadd <4 x float> %arg0, %arg1
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%call = tail call i32 bitcast (i32 (...)* @extern_variadic to i32 (<4 x float>)*)(<4 x float> %add)
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ret i32 %call
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}
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; GCN: :0:0: in function test_indirect_call void (void ()*): unsupported indirect call to function <unknown>
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; R600: in function test_indirect_call{{.*}}: unsupported call to function <unknown>
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define void @test_indirect_call(void()* %fptr) {
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call void %fptr()
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ret void
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}
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; GCN: :0:0: in function test_call_from_shader i32 (): unsupported call from graphics shader of function defined_function
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; R600: in function test_call{{.*}}: unsupported call to function defined_function
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define amdgpu_ps i32 @test_call_from_shader() {
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%call = call i32 @defined_function(i32 0)
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ret i32 %call
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}
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; FIXME: Bad error message
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; GCN: error: <unknown>:0:0: in function test_call_absolute void (): unsupported indirect call to function <unknown>
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; R600: error: <unknown>:0:0: in function test_call_absolute void (): unsupported call to function <unknown>
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define amdgpu_kernel void @test_call_absolute() #0 {
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%val = call i32 inttoptr (i64 1234 to i32(i32)*) (i32 1)
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%op = add i32 %val, 1
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store volatile i32 %op, i32 addrspace(1)* undef
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ret void
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}
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