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| author | Justin Lebar <jlebar@google.com> | 2016-07-27 21:45:48 +0000 |
|---|---|---|
| committer | Justin Lebar <jlebar@google.com> | 2016-07-27 21:45:48 +0000 |
| commit | 23a9686011b4ec1b1fdbd1d7748fddf7b3b06f9e (patch) | |
| tree | e0c5438c20d578e4aef08c340bf749b72abf38d7 /llvm/test/Transforms/LoadStoreVectorizer | |
| parent | 560333749f13b1a6072c376c3a12a684c7ade44d (diff) | |
| download | bcm5719-llvm-23a9686011b4ec1b1fdbd1d7748fddf7b3b06f9e.tar.gz bcm5719-llvm-23a9686011b4ec1b1fdbd1d7748fddf7b3b06f9e.zip | |
[LSV] Don't assume that bitcast ops are Instructions.
Summary:
When we ask the builder to create a bitcast on a constant, we get back a
constant, not an instruction.
Reviewers: asbirlea
Subscribers: jholewinski, mzolotukhin, llvm-commits, arsenm
Differential Revision: https://reviews.llvm.org/D22878
llvm-svn: 276922
Diffstat (limited to 'llvm/test/Transforms/LoadStoreVectorizer')
| -rw-r--r-- | llvm/test/Transforms/LoadStoreVectorizer/NVPTX/non-instr-bitcast.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoadStoreVectorizer/NVPTX/non-instr-bitcast.ll b/llvm/test/Transforms/LoadStoreVectorizer/NVPTX/non-instr-bitcast.ll new file mode 100644 index 00000000000..c8c3c51dfb0 --- /dev/null +++ b/llvm/test/Transforms/LoadStoreVectorizer/NVPTX/non-instr-bitcast.ll @@ -0,0 +1,14 @@ +; RUN: opt -mtriple=nvptx64-nvidia-cuda -load-store-vectorizer -S -o - %s | FileCheck %s + +; Load from a constant. This can be vectorized, but shouldn't crash us. + +@global = internal addrspace(1) constant [4 x float] [float 0xBF71111120000000, float 0x3F70410420000000, float 0xBF81111120000000, float 0x3FB5555560000000], align 4 + +define void @foo() { + ; CHECK: load <4 x float> + %a = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 0), align 4 + %b = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 1), align 4 + %c = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 2), align 4 + %d = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 3), align 4 + ret void +} |
