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| author | Michel Danzer <michel.daenzer@amd.com> | 2014-01-27 07:20:51 +0000 |
|---|---|---|
| committer | Michel Danzer <michel.daenzer@amd.com> | 2014-01-27 07:20:51 +0000 |
| commit | 7018cd5af77e88924bc0658c49a27637019a1927 (patch) | |
| tree | 1d315a2883ad89c30ba5af9e3039d04dbeb707f1 /test | |
| parent | b3bfe7f18cb15368f94c105e88682c297576160c (diff) | |
| download | llvm-7018cd5af77e88924bc0658c49a27637019a1927.tar.gz llvm-7018cd5af77e88924bc0658c49a27637019a1927.tar.bz2 llvm-7018cd5af77e88924bc0658c49a27637019a1927.tar.xz | |
R600/SI: Add intrinsic for BUFFER_LOAD_DWORD* instructions
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200196 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/llvm.SI.load.dword.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/R600/llvm.SI.load.dword.ll b/test/CodeGen/R600/llvm.SI.load.dword.ll new file mode 100644 index 0000000000..a6227755b7 --- /dev/null +++ b/test/CodeGen/R600/llvm.SI.load.dword.ll @@ -0,0 +1,40 @@ +;RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck %s + +; Example of a simple geometry shader loading vertex attributes from the +; ESGS ring buffer + +; CHECK-LABEL: @main +; CHECK: BUFFER_LOAD_DWORD +; CHECK: BUFFER_LOAD_DWORD +; CHECK: BUFFER_LOAD_DWORD +; CHECK: BUFFER_LOAD_DWORD + +define void @main([17 x <16 x i8>] addrspace(2)* byval, [32 x <16 x i8>] addrspace(2)* byval, [16 x <32 x i8>] addrspace(2)* byval, [2 x <16 x i8>] addrspace(2)* byval, [17 x <16 x i8>] addrspace(2)* inreg, [17 x <16 x i8>] addrspace(2)* inreg, i32, i32, i32, i32) #0 { +main_body: + %10 = getelementptr [2 x <16 x i8>] addrspace(2)* %3, i64 0, i32 1 + %11 = load <16 x i8> addrspace(2)* %10, !tbaa !0 + %12 = shl i32 %6, 2 + %13 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %11, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 0) + %14 = bitcast i32 %13 to float + %15 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %11, i32 %12, i32 0, i32 0, i32 1, i32 0, i32 1, i32 1, i32 0) + %16 = bitcast i32 %15 to float + %17 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %11, i32 %12, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 0) + %18 = bitcast i32 %17 to float + %19 = call i32 @llvm.SI.buffer.load.dword.i32.v2i32(<16 x i8> %11, <2 x i32> <i32 0, i32 0>, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 0) + %20 = bitcast i32 %19 to float + call void @llvm.SI.export(i32 15, i32 0, i32 1, i32 12, i32 0, float %14, float %16, float %18, float %20) + ret void +} + +; Function Attrs: nounwind readonly +declare i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32) #1 + +; Function Attrs: nounwind readonly +declare i32 @llvm.SI.buffer.load.dword.i32.v2i32(<16 x i8>, <2 x i32>, i32, i32, i32, i32, i32, i32, i32) #1 + +declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float) + +attributes #0 = { "ShaderType"="1" } +attributes #1 = { nounwind readonly } + +!0 = metadata !{metadata !"const", null, i32 1} |