| 1 | // RUN: %clang -O1 -fvectorize -target x86_64-unknown-unknown -emit-llvm -Rpass-analysis -S %s -o - 2>&1 | FileCheck %s --check-prefix=RPASS |
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| 2 | // RUN: %clang -O1 -fvectorize -target x86_64-unknown-unknown -emit-llvm -S %s -o - 2>&1 | FileCheck %s |
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| 3 | |
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| 4 | // RPASS: {{.*}}:7:8: remark: loop not vectorized: loop contains a switch statement |
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| 5 | // CHECK-NOT: {{.*}}:7:8: remark: loop not vectorized: loop contains a switch statement |
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| 6 | |
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| 7 | double foo(int N, int *Array) { |
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| 8 | double v = 0.0; |
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| 9 | |
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| 10 | #pragma clang loop vectorize(enable) |
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| 11 | for (int i = 0; i < N; i++) { |
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| 12 | switch(Array[i]) { |
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| 13 | case 0: v += 1.0f; break; |
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| 14 | case 1: v -= 0.5f; break; |
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| 15 | case 2: v *= 2.0f; break; |
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| 16 | default: v = 0.0f; |
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| 17 | } |
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| 18 | } |
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| 19 | |
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| 20 | return v; |
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| 21 | } |
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| 22 | |
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