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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-17 17:36:24 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-17 17:36:24 +0000 |
| commit | 62e378b057fc4c1d75092cfb5fac7feee93cdb74 (patch) | |
| tree | d8952b958f2285e6843e6904c885bc732fc54afc /test/CodeGen | |
| parent | b5a910240533d0b73dde5b23396502e71bd5b130 (diff) | |
| download | llvm-62e378b057fc4c1d75092cfb5fac7feee93cdb74.tar.gz llvm-62e378b057fc4c1d75092cfb5fac7feee93cdb74.tar.bz2 llvm-62e378b057fc4c1d75092cfb5fac7feee93cdb74.tar.xz | |
R600/SI: Match ctlz_zero_undef
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211115 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -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 0000000000..15b5188efd --- /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 +} |