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| author | Justin Holewinski <jholewinski@nvidia.com> | 2012-11-29 14:26:24 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2012-11-29 14:26:24 +0000 |
| commit | 3d200255d5b93344c1ab0a5ba4b47a52cfa5893e (patch) | |
| tree | 8b2469b4bddabff7cec81ed6a162701eded27e00 /test | |
| parent | 84af05e1ba3a97d98b76929df858edc7b8b0d252 (diff) | |
Allow targets to prefer TypeSplitVector over TypePromoteInteger when computing the legalization method for vectors
For some targets, it is desirable to prefer scalarizing <N x i1> instead of promoting to a larger legal type, such as <N x i32>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168882 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/NVPTX/vector-compare.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/vector-compare.ll b/test/CodeGen/NVPTX/vector-compare.ll new file mode 100644 index 0000000000..2180499952 --- /dev/null +++ b/test/CodeGen/NVPTX/vector-compare.ll @@ -0,0 +1,19 @@ +; RUN: llc < %s -march=nvptx -mcpu=sm_20 +; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 + +; This test makes sure that the result of vector compares are properly +; scalarized. If codegen fails, then the type legalizer incorrectly +; tried to promote <2 x i1> to <2 x i8> and instruction selection failed. + +define void @foo(<2 x i32>* %a, <2 x i32>* %b, i32* %r1, i32* %r2) { + %aval = load <2 x i32>* %a + %bval = load <2 x i32>* %b + %res = icmp slt <2 x i32> %aval, %bval + %t1 = extractelement <2 x i1> %res, i32 0 + %t2 = extractelement <2 x i1> %res, i32 1 + %t1a = zext i1 %t1 to i32 + %t2a = zext i1 %t2 to i32 + store i32 %t1a, i32* %r1 + store i32 %t2a, i32* %r2 + ret void +} |