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-rw-r--r--clang/test/CodeGen/loop-vectorize.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/CodeGen/loop-vectorize.c b/clang/test/CodeGen/loop-vectorize.c
new file mode 100644
index 00000000000..28bd50bbd2e
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+++ b/clang/test/CodeGen/loop-vectorize.c
@@ -0,0 +1,25 @@
+// RUN: %clang -target x86_64 -S -c -O1 -fvectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT
+// RUN: %clang -target x86_64 -S -c -O1 -fno-vectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT
+// RUN: %clang -target x86_64 -fexperimental-new-pass-manager -S -c -O1 -fvectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT
+// RUN: %clang -target x86_64 -fexperimental-new-pass-manager -S -c -O1 -fno-vectorize -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT
+
+// CHECK-ENABLE-VECT-LABEL: @for_test()
+// CHECK-ENABLE-VECT: fmul <{{[0-9]+}} x double>
+
+// CHECK-DISABLE-VECT-LABEL: @for_test()
+// CHECK-DISABLE-VECT: fmul double
+// CHECK-DISABLE-VECT-NOT: fmul <{{[0-9]+}} x double>
+
+#include <stdio.h>
+
+void for_test() {
+ double A[1000], B[1000];
+ int L = 500;
+ for (int i = 0; i < L; i++) {
+ A[i] = i;
+ }
+ for (int i = 0; i < L; i++) {
+ B[i] = A[i]*5;
+ }
+ printf("%lf %lf\n", A[0], B[0]);
+}
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