From 0c9892060a7ad2e42b7861f55c3bdccfc4efc22f Mon Sep 17 00:00:00 2001
From: Sanne Wouda <sanne.wouda@arm.com>
Date: Mon, 20 Feb 2017 12:05:07 +0000
Subject: [PATCH] [ARM] Add a div regression test for Cortex-M23
Summary:
This file was missed in the commit for Cortex-M23 and Cortex-M33
support. See https://reviews.llvm.org/D29073?id=85814 .
Reviewers: rengolin, javed.absar, samparker
Reviewed By: samparker
Subscribers: llvm-commits, aemerson
Differential Revision: https://reviews.llvm.org/D30162
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295655 91177308-0d34-0410-b5e6-96231b3b80d8
---
test/CodeGen/ARM/thumb1-div.ll | 67 ++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
create mode 100644 test/CodeGen/ARM/thumb1-div.ll
diff --git a/test/CodeGen/ARM/thumb1-div.ll b/test/CodeGen/ARM/thumb1-div.ll
new file mode 100644
index 00000000000..844dfe6f963
--- /dev/null
+++ b/test/CodeGen/ARM/thumb1-div.ll
@@ -0,0 +1,67 @@
+; RUN: llc < %s -mtriple=arm-none-eabi -mcpu=cortex-m23 -march=thumb | \
+; RUN: FileCheck %s -check-prefix=CHECK
+
+define i32 @f1(i32 %a, i32 %b) {
+entry:
+; CHECK-LABEL: f1
+
+; CHECK: sdiv
+ %tmp1 = sdiv i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+define i32 @f2(i32 %a, i32 %b) {
+entry:
+; CHECK-LABEL: f2
+; CHECK: udiv
+ %tmp1 = udiv i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+define i32 @f3(i32 %a, i32 %b) {
+entry:
+; CHECK-LABEL: f3
+
+
+ %tmp1 = srem i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+; CHECK: sdiv
+; CHECK-NEXT: muls
+; CHECK-NEXT: subs
+}
+
+define i32 @f4(i32 %a, i32 %b) {
+entry:
+; CHECK-LABEL: f4
+
+; CHECK: udiv
+; CHECK-NEXT: muls
+; CHECK-NEXT: subs
+ %tmp1 = urem i32 %a, %b ; <i32> [#uses=1]
+ ret i32 %tmp1
+}
+
+
+define i64 @f5(i64 %a, i64 %b) {
+entry:
+; CHECK-LABEL: f5
+
+; EABI MODE = Remainder in R2-R3, quotient in R0-R1
+; CHECK: __aeabi_ldivmod
+; CHECK-NEXT: mov r0, r2
+; CHECK-NEXT: mov r1, r3
+ %tmp1 = srem i64 %a, %b ; <i64> [#uses=1]
+ ret i64 %tmp1
+}
+
+define i64 @f6(i64 %a, i64 %b) {
+entry:
+; CHECK-LABEL: f6
+
+; EABI MODE = Remainder in R2-R3, quotient in R0-R1
+; CHECK: __aeabi_uldivmod
+; CHECK: mov r0, r2
+; CHECK: mov r1, r3
+ %tmp1 = urem i64 %a, %b ; <i64> [#uses=1]
+ ret i64 %tmp1
+}
--
2.40.0