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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-02-06 18:36:38 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-02-06 18:36:38 +0000 |
| commit | becac0f183be5743a27ced2a59cb2ce191206b71 (patch) | |
| tree | b674920a00fec20267beb639c53aeac1d8622282 /test | |
| parent | 22274378d5ec800c08246d179ea003a5c85d3cb9 (diff) | |
| download | llvm-becac0f183be5743a27ced2a59cb2ce191206b71.tar.gz llvm-becac0f183be5743a27ced2a59cb2ce191206b71.tar.bz2 llvm-becac0f183be5743a27ced2a59cb2ce191206b71.tar.xz | |
R600/SI: Add a MUBUF load pattern for Reg+Imm offsets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200933 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/mubuf.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/R600/mubuf.ll b/test/CodeGen/R600/mubuf.ll new file mode 100644 index 0000000000..0f2f19c946 --- /dev/null +++ b/test/CodeGen/R600/mubuf.ll @@ -0,0 +1,51 @@ +; RUN: llc < %s -march=r600 -mcpu=SI -show-mc-encoding -verify-machineinstrs | FileCheck %s + +;;;==========================================================================;;; +;;; MUBUF LOAD TESTS +;;;==========================================================================;;; + +; MUBUF load with an immediate byte offset that fits into 12-bits +; CHECK-LABEL: @mubuf_load0 +; CHECK: BUFFER_LOAD_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80 +define void @mubuf_load0(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { +entry: + %0 = getelementptr i32 addrspace(1)* %in, i64 1 + %1 = load i32 addrspace(1)* %0 + store i32 %1, i32 addrspace(1)* %out + ret void +} + +; MUBUF load with the largest possible immediate offset +; CHECK-LABEL: @mubuf_load1 +; CHECK: BUFFER_LOAD_UBYTE v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4095 ; encoding: [0xff,0x8f +define void @mubuf_load1(i8 addrspace(1)* %out, i8 addrspace(1)* %in) { +entry: + %0 = getelementptr i8 addrspace(1)* %in, i64 4095 + %1 = load i8 addrspace(1)* %0 + store i8 %1, i8 addrspace(1)* %out + ret void +} + +; MUBUF load with an immediate byte offset that doesn't fit into 12-bits +; CHECK-LABEL: @mubuf_load2 +; CHECK: BUFFER_LOAD_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 0 ; encoding: [0x00,0x80 +define void @mubuf_load2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { +entry: + %0 = getelementptr i32 addrspace(1)* %in, i64 1024 + %1 = load i32 addrspace(1)* %0 + store i32 %1, i32 addrspace(1)* %out + ret void +} + +; MUBUF load with a 12-bit immediate offset and a register offset +; CHECK-LABEL: @mubuf_load3 +; CHECK-NOT: ADD +; CHECK: BUFFER_LOAD_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80 +define void @mubuf_load3(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i64 %offset) { +entry: + %0 = getelementptr i32 addrspace(1)* %in, i64 %offset + %1 = getelementptr i32 addrspace(1)* %0, i64 1 + %2 = load i32 addrspace(1)* %1 + store i32 %2, i32 addrspace(1)* %out + ret void +} |