diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/bfm.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/bfm.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/bfm.ll b/llvm/test/CodeGen/AMDGPU/bfm.ll new file mode 100644 index 00000000000..73db87d7ae9 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/bfm.ll @@ -0,0 +1,24 @@ +; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s +; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s +; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}bfm_pattern: +; SI: s_bfm_b32 {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +define void @bfm_pattern(i32 addrspace(1)* %out, i32 %x, i32 %y) #0 { + %a = shl i32 1, %x + %b = sub i32 %a, 1 + %c = shl i32 %b, %y + store i32 %c, i32 addrspace(1)* %out + ret void +} + +; FUNC-LABEL: {{^}}bfm_pattern_simple: +; SI: s_bfm_b32 {{s[0-9]+}}, {{s[0-9]+}}, 0 +define void @bfm_pattern_simple(i32 addrspace(1)* %out, i32 %x) #0 { + %a = shl i32 1, %x + %b = sub i32 %a, 1 + store i32 %b, i32 addrspace(1)* %out + ret void +} + +attributes #0 = { nounwind } |
