diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/X86/pr72969.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/X86/pr72969.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/pr72969.ll b/llvm/test/Transforms/LoopVectorize/X86/pr72969.ll new file mode 100644 index 0000000..f982695 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/X86/pr72969.ll @@ -0,0 +1,26 @@ +; REQUIRES: asserts +; RUN: not --crash opt -mtriple=x86_64 -mattr=-avx,-avx2,-avx512f,+sse,-sse2,-sse3,-sse4.2 -passes=loop-vectorize -S < %s +; RUN: not --crash opt -mtriple=x86_64 -mattr=-avx,-avx2,-avx512f,+sse,-sse2,-sse3,-sse4.2 -passes=loop-vectorize -force-vector-width=4 -S < %s + +@h = global i64 0 + +define void @test(ptr %p) { +entry: + br label %for.body + +for.body: + %idx.ext.merge = phi i64 [ 1, %entry ], [ %idx, %for.body ] + %inc.merge = phi i16 [ 1, %entry ], [ %inc, %for.body ] + %idx.merge = phi i64 [ 0, %entry ], [ %idx.ext.merge, %for.body ] + %add = shl i64 %idx.merge, 1 + %arrayidx = getelementptr i64, ptr %p, i64 %add + store i64 0, ptr %arrayidx + %inc = add i16 %inc.merge, 1 + %idx = zext i16 %inc to i64 + %gep = getelementptr i64, ptr %p, i64 %idx + %cmp = icmp ugt ptr %gep, @h + br i1 %cmp, label %exit, label %for.body + +exit: + ret void +} |