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Diffstat (limited to 'test/CodeGen/AMDGPU/read-register-invalid-subtarget.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/read-register-invalid-subtarget.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/read-register-invalid-subtarget.ll b/test/CodeGen/AMDGPU/read-register-invalid-subtarget.ll new file mode 100644 index 000000000000..a5581d73cb25 --- /dev/null +++ b/test/CodeGen/AMDGPU/read-register-invalid-subtarget.ll @@ -0,0 +1,14 @@ +; RUN: not llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s 2>&1 | FileCheck %s + +; CHECK: invalid register "flat_scratch_lo" for subtarget. + +declare i32 @llvm.read_register.i32(metadata) #0 + +define void @test_invalid_read_flat_scratch_lo(i32 addrspace(1)* %out) nounwind { + store volatile i32 0, i32 addrspace(3)* undef + %m0 = call i32 @llvm.read_register.i32(metadata !0) + store i32 %m0, i32 addrspace(1)* %out + ret void +} + +!0 = !{!"flat_scratch_lo"} |