Test cases for 64-bit multiplication and division.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145717 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Mips/mips64muldiv.ll b/test/CodeGen/Mips/mips64muldiv.ll
new file mode 100644 (file)
index 0000000..a89d074
--- /dev/null
+++ b/test/CodeGen/Mips/mips64muldiv.ll
@@ -0,0 +1,41 @@
+; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s
+
+define i64 @m0(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: dmult
+; CHECK: mflo
+  %mul = mul i64 %a1, %a0
+  ret i64 %mul
+}
+
+define i64 @d0(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: ddivu
+; CHECK: mflo
+  %div = udiv i64 %a0, %a1
+  ret i64 %div
+}
+
+define i64 @d1(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: ddiv
+; CHECK: mflo
+  %div = sdiv i64 %a0, %a1
+  ret i64 %div
+}
+
+define i64 @d2(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: ddivu
+; CHECK: mfhi
+  %rem = urem i64 %a0, %a1
+  ret i64 %rem
+}
+
+define i64 @d3(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: ddiv
+; CHECK: mfhi
+  %rem = srem i64 %a0, %a1
+  ret i64 %rem
+}