f9bd08382a
This should fix expensive_checks failures. These now hit a new verifier error. The first test is explicitly testing the failing case produces an error, so it should skip the verifier. The unsupported call tests should also error (although it would be better if it errored via a different path).
59 lines
2.3 KiB
LLVM
59 lines
2.3 KiB
LLVM
; RUN: not llc -mtriple=amdgcn-mesa-mesa3d -tailcallopt -verify-machineinstrs=0 < %s 2>&1 | FileCheck --check-prefix=GCN %s
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; RUN: not llc -mtriple=amdgcn--amdpal -tailcallopt -verify-machineinstrs=0 < %s 2>&1 | FileCheck --check-prefix=GCN %s
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; RUN: not llc -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(ptr addrspace(1) %out, ptr addrspace(1) %in) {
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%b_ptr = getelementptr i32, ptr addrspace(1) %in, i32 1
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%a = load i32, ptr addrspace(1) %in
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%b = load i32, ptr 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, ptr 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(ptr addrspace(1) %out, ptr addrspace(1) %in) {
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%b_ptr = getelementptr i32, ptr addrspace(1) %in, i32 1
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%a = load i32, ptr addrspace(1) %in
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%b = load i32, ptr 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, ptr 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 (ptr addrspace(1), ptr 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(ptr addrspace(1) %out, ptr addrspace(1) %in) {
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%b_ptr = getelementptr i32, ptr addrspace(1) %in, i32 1
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%a = load i32, ptr addrspace(1) %in
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%b = load i32, ptr 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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; R600: in function test_c_call{{.*}}: unsupported call to function defined_function
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define amdgpu_ps i32 @test_c_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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; GCN-NOT: in function test_gfx_call{{.*}}unsupported
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; R600: in function test_gfx_call{{.*}}: unsupported call to function defined_function
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define amdgpu_ps i32 @test_gfx_call_from_shader() {
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%call = call amdgpu_gfx i32 @defined_function(i32 0)
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ret i32 %call
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}
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