[clang] 3a624c3 - [Matrix] Add the matrix test from D83570. NFC.

[Sjoerd Meijer via cfe-commits]

Author: Sjoerd Meijer
Date: 2020-07-16T15:19:45+01:00
New Revision: 3a624c327adde62d075a4477e9bb9e6a2c186731

URL: https://github.com/llvm/llvm-project/commit/3a624c327adde62d075a4477e9bb9e6a2c186731
DIFF: https://github.com/llvm/llvm-project/commit/3a624c327adde62d075a4477e9bb9e6a2c186731.diff

LOG: [Matrix] Add the matrix test from D83570. NFC.

Added: 
    clang/test/CodeGen/matrix-lowering-opt-levels.c

Modified: 
    

Removed: 
    


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diff  --git a/clang/test/CodeGen/matrix-lowering-opt-levels.c b/clang/test/CodeGen/matrix-lowering-opt-levels.c
new file mode 100644
index 000000000000..8f86cc158f67
--- /dev/null
+++ b/clang/test/CodeGen/matrix-lowering-opt-levels.c
@@ -0,0 +1,20 @@
+// 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;
+}