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