// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -O3 -emit-llvm -gline-tables-only -S -verify -o /dev/null
// REQUIRES: x86-registered-target

// Test verifies optimization failures generated by the backend are handled
// correctly by clang. LLVM tests verify all of the failure conditions.

void test_switch(int *A, int *B, int Length) {
#pragma clang loop vectorize(enable) unroll(disable)
  /* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */ for (int i = 0; i < Length; i++) {
    switch (A[i]) {
    case 0:
      B[i] = 1;
      break;
    case 1:
      B[i] = 2;
      break;
    default:
      B[i] = 3;
    }
  }
}

// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -O3 -emit-llvm -gline-tables-only -S -verify -o /dev/null
// REQUIRES: x86-registered-target

// Test verifies optimization failures generated by the backend are handled
// correctly by clang. LLVM tests verify all of the failure conditions.

void test_switch(int *A, int *B, int Length) {
#pragma clang loop vectorize(enable) unroll(disable)
  for (int i = 0; i < Length; i++) {
    /* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */ switch (A[i]) {
    case 0:
      B[i] = 1;
      break;
    case 1:
      B[i] = 2;
      break;
    default:
      B[i] = 3;
    }
  }
}

--- 
+++ 
@@ -6,8 +6,8 @@
 
 void test_switch(int *A, int *B, int Length) {
 #pragma clang loop vectorize(enable) unroll(disable)
-  for (int i = 0; i < Length; i++) {
-    /* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */ switch (A[i]) {
+  /* expected-warning {{loop not vectorized: failed explicitly specified loop vectorization}} */ for (int i = 0; i < Length; i++) {
+    switch (A[i]) {
     case 0:
       B[i] = 1;
       break;
Adjust test to handle fallout from r217102.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@217104 91177308-0d34-0410-b5e6-96231b3b80d8
