Add tests for ARMV7M divide instruction use
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103120 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb2/div.ll b/test/CodeGen/Thumb2/div.ll
new file mode 100644
index 0000000..f846e46
--- /dev/null
+++ b/test/CodeGen/Thumb2/div.ll
@@ -0,0 +1,45 @@
+; RUN: llc < %s -march=thumb -mattr=+thumb2 \
+; RUN: | FileCheck %s -check-prefix=CHECK-THUMB
+; RUN: llc < %s -march=arm -mcpu=cortex-m3 -mattr=+thumb2 \
+; RUN: | FileCheck %s -check-prefix=CHECK-THUMBV7M
+
+define i32 @f1(i32 %a, i32 %b) {
+entry:
+; CHECK-THUMB: f1
+; CHECK-THUMB: __divsi3
+; CHECK-THUMBV7M: f1
+; CHECK-THUMBV7M: sdiv
+ %tmp1 = sdiv i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+define i32 @f2(i32 %a, i32 %b) {
+entry:
+; CHECK-THUMB: f2
+; CHECK-THUMB: __udivsi3
+; CHECK-THUMBV7M: _f2
+; CHECK-THUMBV7M: udiv
+ %tmp1 = udiv i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+define i32 @f3(i32 %a, i32 %b) {
+entry:
+; CHECK-THUMB: f3
+; CHECK-THUMB: __modsi3
+; CHECK-THUMBV7M: _f3
+; CHECK-THUMBV7M: sdiv
+ %tmp1 = srem i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+define i32 @f4(i32 %a, i32 %b) {
+entry:
+; CHECK-THUMB: f4
+; CHECK-THUMB: __umodsi3
+; CHECK-THUMBV7M: _f4
+; CHECK-THUMBV7M: udiv
+ %tmp1 = urem i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+