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Diffstat (limited to 'test/Transforms/BBVectorize/no-ldstr-conn.ll')
| -rw-r--r-- | test/Transforms/BBVectorize/no-ldstr-conn.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/BBVectorize/no-ldstr-conn.ll b/test/Transforms/BBVectorize/no-ldstr-conn.ll new file mode 100644 index 0000000..ada2a71 --- /dev/null +++ b/test/Transforms/BBVectorize/no-ldstr-conn.ll @@ -0,0 +1,23 @@ +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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=2 -instcombine -gvn -S | FileCheck %s + +; Make sure that things (specifically getelementptr) are not connected to loads +; and stores via the address operand (which would be bad because the address +; is really a scalar even after vectorization) +define i64 @test2(i64 %a) nounwind uwtable readonly { +entry: + %a1 = inttoptr i64 %a to i64* + %a2 = getelementptr i64* %a1, i64 1 + %a3 = getelementptr i64* %a1, i64 2 + %v2 = load i64* %a2, align 8 + %v3 = load i64* %a3, align 8 + %v2a = add i64 %v2, 5 + %v3a = add i64 %v3, 7 + store i64 %v2a, i64* %a2, align 8 + store i64 %v3a, i64* %a3, align 8 + %r = add i64 %v2, %v3 + ret i64 %r +; CHECK: @test2 +; CHECK-NOT: getelementptr <2 x i64*> +} + |