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/ARM/div.ll b/test/CodeGen/ARM/div.ll
index 2048ee6dfdce697342fcba94399b89695fef3236..95f8c5f086cefb1f9ed6afcf7bcc001cf4761032 100644 (file)
--- a/test/CodeGen/ARM/div.ll
+++ b/test/CodeGen/ARM/div.ll
@@ -1,33 +1,43 @@
-; RUN: llc < %s -march=arm | FileCheck %s
+; RUN: llc < %s -march=arm | FileCheck %s -check-prefix=CHECK-ARM
+; RUN: llc < %s -march=arm -mcpu=cortex-m3 \
+; RUN:    | FileCheck %s -check-prefix=CHECK-ARMV7M
 
 define i32 @f1(i32 %a, i32 %b) {
 entry:
-; CHECK: f1
-; CHECK: __divsi3
+; CHECK-ARM: f1
+; CHECK-ARM: __divsi3
+; CHECK-ARMV7M: f1
+; CHECK-ARMV7M: sdiv
         %tmp1 = sdiv i32 %a, %b         ; <i32> [#uses=1]
         ret i32 %tmp1
 }
 
 define i32 @f2(i32 %a, i32 %b) {
 entry:
-; CHECK: f2
-; CHECK: __udivsi3
+; CHECK-ARM: f2
+; CHECK-ARM: __udivsi3
+; CHECK-ARMV7M: _f2
+; CHECK-ARMV7M: udiv
         %tmp1 = udiv i32 %a, %b         ; <i32> [#uses=1]
         ret i32 %tmp1
 }
 
 define i32 @f3(i32 %a, i32 %b) {
 entry:
-; CHECK: f3
-; CHECK: __modsi3
+; CHECK-ARM: f3
+; CHECK-ARM: __modsi3
+; CHECK-ARMV7M: _f3
+; CHECK-ARMV7M: sdiv
         %tmp1 = srem i32 %a, %b         ; <i32> [#uses=1]
         ret i32 %tmp1
 }
 
 define i32 @f4(i32 %a, i32 %b) {
 entry:
-; CHECK: f4
-; CHECK: __umodsi3
+; CHECK-ARM: f4
+; CHECK-ARM: __umodsi3
+; CHECK-ARMV7M: _f4
+; CHECK-ARMV7M: udiv
         %tmp1 = urem i32 %a, %b         ; <i32> [#uses=1]
         ret i32 %tmp1
 }

diff --git a/test/CodeGen/Thumb2/div.ll b/test/CodeGen/Thumb2/div.ll
new file mode 100644 (file)
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
+}
+