diff options
Diffstat (limited to 'test/CodeGen/R600/ctlz_zero_undef.ll')
-rw-r--r-- | test/CodeGen/R600/ctlz_zero_undef.ll | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGen/R600/ctlz_zero_undef.ll b/test/CodeGen/R600/ctlz_zero_undef.ll new file mode 100644 index 0000000..15b5188 --- /dev/null +++ b/test/CodeGen/R600/ctlz_zero_undef.ll @@ -0,0 +1,57 @@ +; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s + +declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone +declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) nounwind readnone +declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1) nounwind readnone + +; FUNC-LABEL: @s_ctlz_zero_undef_i32: +; SI: S_LOAD_DWORD [[VAL:s[0-9]+]], +; SI: S_FLBIT_I32_B32 [[SRESULT:s[0-9]+]], [[VAL]] +; SI: V_MOV_B32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]] +; SI: BUFFER_STORE_DWORD [[VRESULT]], +; SI: S_ENDPGM +define void @s_ctlz_zero_undef_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind { + %ctlz = call i32 @llvm.ctlz.i32(i32 %val, i1 true) nounwind readnone + store i32 %ctlz, i32 addrspace(1)* %out, align 4 + ret void +} + +; FUNC-LABEL: @v_ctlz_zero_undef_i32: +; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]], +; SI: V_FFBH_U32_e32 [[RESULT:v[0-9]+]], [[VAL]] +; SI: BUFFER_STORE_DWORD [[RESULT]], +; SI: S_ENDPGM +define void @v_ctlz_zero_undef_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind { + %val = load i32 addrspace(1)* %valptr, align 4 + %ctlz = call i32 @llvm.ctlz.i32(i32 %val, i1 true) nounwind readnone + store i32 %ctlz, i32 addrspace(1)* %out, align 4 + ret void +} + +; FUNC-LABEL: @v_ctlz_zero_undef_v2i32: +; SI: BUFFER_LOAD_DWORDX2 +; SI: V_FFBH_U32_e32 +; SI: V_FFBH_U32_e32 +; SI: BUFFER_STORE_DWORDX2 +; SI: S_ENDPGM +define void @v_ctlz_zero_undef_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %valptr) nounwind { + %val = load <2 x i32> addrspace(1)* %valptr, align 8 + %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %val, i1 true) nounwind readnone + store <2 x i32> %ctlz, <2 x i32> addrspace(1)* %out, align 8 + ret void +} + +; FUNC-LABEL: @v_ctlz_zero_undef_v4i32: +; SI: BUFFER_LOAD_DWORDX4 +; SI: V_FFBH_U32_e32 +; SI: V_FFBH_U32_e32 +; SI: V_FFBH_U32_e32 +; SI: V_FFBH_U32_e32 +; SI: BUFFER_STORE_DWORDX4 +; SI: S_ENDPGM +define void @v_ctlz_zero_undef_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrspace(1)* noalias %valptr) nounwind { + %val = load <4 x i32> addrspace(1)* %valptr, align 16 + %ctlz = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %val, i1 true) nounwind readnone + store <4 x i32> %ctlz, <4 x i32> addrspace(1)* %out, align 16 + ret void +} |