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| author | Justin Lebar <jlebar@google.com> | 2016-09-11 01:39:08 +0000 |
|---|---|---|
| committer | Justin Lebar <jlebar@google.com> | 2016-09-11 01:39:08 +0000 |
| commit | 11a32043550759e86e7c0538927531c1f8651f12 (patch) | |
| tree | 06677db58e42172d954b0485afdc22375410a1ca /llvm/test | |
| parent | 6d6b11a4a6a418956ac963bb9a7d9b1fd2966e3d (diff) | |
| download | bcm5719-llvm-11a32043550759e86e7c0538927531c1f8651f12.tar.gz bcm5719-llvm-11a32043550759e86e7c0538927531c1f8651f12.zip | |
Add handling of !invariant.load to PropagateMetadata.
Summary:
This will let e.g. the load/store vectorizer propagate this metadata
appropriately.
Reviewers: arsenm
Subscribers: tra, jholewinski, hfinkel, mzolotukhin
Differential Revision: https://reviews.llvm.org/D23479
llvm-svn: 281153
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/LoadStoreVectorizer/NVPTX/propagate-invariance-metadata.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoadStoreVectorizer/NVPTX/propagate-invariance-metadata.ll b/llvm/test/Transforms/LoadStoreVectorizer/NVPTX/propagate-invariance-metadata.ll new file mode 100644 index 00000000000..ac0660e7833 --- /dev/null +++ b/llvm/test/Transforms/LoadStoreVectorizer/NVPTX/propagate-invariance-metadata.ll @@ -0,0 +1,17 @@ +; RUN: opt -load-store-vectorizer -march=nvptx64 -mcpu=sm_35 -S < %s | FileCheck %s + +target datalayout = "e-p:64:64:64-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" +target triple = "nvptx64-nvidia-cuda" + +; CHECK-LABEL: @foo +define i32 @foo(i32* %ptr) { + %ptr1 = getelementptr i32, i32* %ptr, i32 1 + %p1 = addrspacecast i32* %ptr1 to i32 addrspace(1)* + ; CHECK: load <2 x i32>, <2 x i32>* %{{[0-9]+}}, align 8, !invariant.load !0 + %v0 = load i32, i32* %ptr, align 8, !invariant.load !0 + %v1 = load i32, i32* %ptr1, align 4, !invariant.load !0 + %sum = add i32 %v0, %v1 + ret i32 %sum +} + +!0 = !{} |
