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| author | Justin Holewinski <jholewinski@nvidia.com> | 2013-07-01 12:58:52 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2013-07-01 12:58:52 +0000 |
| commit | 9bc8feeb4fd15883949900194c93fd1704c404b4 (patch) | |
| tree | ac26a33d687daf0c98ed011d3c7aa15a38f686a5 /test/CodeGen | |
| parent | 30b13ebd0b3d29d5f2d3dcbccee31d3a55917277 (diff) | |
| download | external_llvm-9bc8feeb4fd15883949900194c93fd1704c404b4.zip external_llvm-9bc8feeb4fd15883949900194c93fd1704c404b4.tar.gz external_llvm-9bc8feeb4fd15883949900194c93fd1704c404b4.tar.bz2 | |
[NVPTX] Add isel patterns for [reg+offset] form of ldg/ldu.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185329 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/NVPTX/ldu-reg-plus-offset.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/ldu-reg-plus-offset.ll b/test/CodeGen/NVPTX/ldu-reg-plus-offset.ll new file mode 100644 index 0000000..242e5b8 --- /dev/null +++ b/test/CodeGen/NVPTX/ldu-reg-plus-offset.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" + + +define void @reg_plus_offset(i32* %a) { +; CHECK: ldu.global.u32 %r{{[0-9]+}}, [%r{{[0-9]+}}+32]; +; CHECK: ldu.global.u32 %r{{[0-9]+}}, [%r{{[0-9]+}}+36]; + %p2 = getelementptr i32* %a, i32 8 + %t1 = call i32 @llvm.nvvm.ldu.global.i.i32(i32* %p2), !align !1 + %p3 = getelementptr i32* %a, i32 9 + %t2 = call i32 @llvm.nvvm.ldu.global.i.i32(i32* %p3), !align !1 + %t3 = mul i32 %t1, %t2 + store i32 %t3, i32* %a + ret void +} + +!1 = metadata !{ i32 4 } + +declare i32 @llvm.nvvm.ldu.global.i.i32(i32*) +declare i32 @llvm.nvvm.read.ptx.sreg.tid.x()
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