diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/nested-calls.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/nested-calls.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/nested-calls.ll b/llvm/test/CodeGen/AMDGPU/nested-calls.ll new file mode 100644 index 00000000000..2d8d666a26b --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/nested-calls.ll @@ -0,0 +1,41 @@ +; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -amdgpu-sroa=0 -amdgpu-function-calls -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=VI %s +; RUN: llc -march=amdgcn -mcpu=hawaii -amdgpu-function-calls -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=CI %s +; RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -amdgpu-sroa=0 -amdgpu-function-calls -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GFX9 -check-prefix=VI %s + +; Test calls when called by other callable functions rather than +; kernels. + +declare void @external_void_func_i32(i32) #0 + +; GCN-LABEL: {{^}}test_func_call_external_void_func_i32_imm: +; GCN: s_waitcnt +; GCN-NOT: s32 +; GCN: s_swappc_b64 +; GCN-NOT: s32 +; GCN: s_setpc_b64 +define void @test_func_call_external_void_func_i32_imm() #0 { + call void @external_void_func_i32(i32 42) + ret void +} + +; GCN-LABEL: {{^}}test_func_call_external_void_func_i32_imm_stack_use: +; GCN: s_waitcnt +; GCN: s_mov_b32 s5, s32 +; GCN: s_add_u32 s32, s32, 0x1100{{$}} +; GCN: buffer_store_dword v{{[0-9]+}}, off, s[0:3], s5 offset +; GCN: s_swappc_b64 +; GCN: s_sub_u32 s32, s32, 0x1100{{$}} +; GCN: s_setpc_b64 +define void @test_func_call_external_void_func_i32_imm_stack_use() #0 { + %alloca = alloca [16 x i32], align 4 + %gep0 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 0 + %gep15 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 16 + store volatile i32 0, i32* %gep0 + store volatile i32 0, i32* %gep15 + call void @external_void_func_i32(i32 42) + ret void +} + +attributes #0 = { nounwind } +attributes #1 = { nounwind readnone } +attributes #2 = { nounwind noinline } |
