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-rw-r--r--clang/test/Driver/arm-cortex-cpus.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/test/Driver/arm-cortex-cpus.c b/clang/test/Driver/arm-cortex-cpus.c
index ddfbc6e58c9..80c0f10aa00 100644
--- a/clang/test/Driver/arm-cortex-cpus.c
+++ b/clang/test/Driver/arm-cortex-cpus.c
@@ -158,3 +158,9 @@
// RUN: %clang -target arm -mcpu=cortex-a53 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A-THUMB %s
// RUN: %clang -target arm -mcpu=cortex-a57 -mthumb -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CPUV8A-THUMB %s
// CHECK-CPUV8A-THUMB: "-cc1"{{.*}} "-triple" "thumbv8-{{.*}}
+
+// ================== Check that Cortex-M cores don't enable hwdiv-arm (and don't emit Tag_DIV_use)
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m3 -S %s -o - | FileCheck -check-prefix=CHECK-HWDIV-ARM %s
+// RUN: %clang -target arm-linux-gnueabi -mcpu=cortex-m4 -S %s -o - | FileCheck -check-prefix=CHECK-HWDIV-ARM %s
+// CHECK-HWDIV-ARM-NOT: .eabi_attribute 44
+
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