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| author | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:41:05 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:41:05 +0000 |
| commit | 01095a5d43bbfde13731688ddcf6048ebb8b7721 (patch) | |
| tree | 4def12e759965de927d963ac65840d663ef9d1ea /test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll | |
| parent | f0f4822ed4b66e3579e92a89f368f8fb860e218e (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll b/test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll new file mode 100644 index 0000000000000..251eec656edc6 --- /dev/null +++ b/test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll @@ -0,0 +1,16 @@ +; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s +; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck %s +; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s + +; FUNC-LABEL: {{^}}s_getreg_test: +; CHECK: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23) +define void @s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size. + %lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574) #0 + %lds_size_bytes = shl i32 %lds_size_64dwords, 8 + store i32 %lds_size_bytes, i32 addrspace(1)* %out + ret void +} + +declare i32 @llvm.amdgcn.s.getreg(i32) #0 + +attributes #0 = { nounwind readonly} |