|  | // RUN: %clang -O0 -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  | // RUN: %clang -O1 -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  | // RUN: %clang -O2 -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  | // RUN: %clang -O3 -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  | // RUN: %clang -Ofast -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  | // RUN: %clang -Os -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  | // RUN: %clang -Oz -fenable-matrix -S -emit-llvm %s -o - | FileCheck  %s | 
|  |  | 
|  | // Smoke test that the matrix intrinsics are lowered at any optimisation level. | 
|  |  | 
|  | typedef float m4x4_t __attribute__((matrix_type(4, 4))); | 
|  |  | 
|  | m4x4_t f(m4x4_t a, m4x4_t b, m4x4_t c) { | 
|  | // | 
|  | // CHECK-LABEL: f( | 
|  | // CHECK-NOT:     @llvm.matrix | 
|  | // CHECK:       } | 
|  | // | 
|  | return a + b * c; | 
|  | } |