Mips64 shift instructions.

llvm-svn: 140841

1 files changed, 64 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Mips/mips64shift.ll b/llvm/test/CodeGen/Mips/mips64shift.ll
new file mode 100644
index 00000000000..31e56c82a7c
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/mips64shift.ll
@@ -0,0 +1,64 @@
+; RUN: llc -march=mips64el -mcpu=mips64r1 < %s | FileCheck %s
+
+define i64 @f0(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: dsllv
+  %shl = shl i64 %a0, %a1
+  ret i64 %shl
+}
+
+define i64 @f1(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: dsrav
+  %shr = ashr i64 %a0, %a1
+  ret i64 %shr
+}
+
+define i64 @f2(i64 %a0, i64 %a1) nounwind readnone {
+entry:
+; CHECK: dsrlv
+  %shr = lshr i64 %a0, %a1
+  ret i64 %shr
+}
+
+define i64 @f3(i64 %a0) nounwind readnone {
+entry:
+; CHECK: dsll
+  %shl = shl i64 %a0, 10
+  ret i64 %shl
+}
+
+define i64 @f4(i64 %a0) nounwind readnone {
+entry:
+; CHECK: dsra
+  %shr = ashr i64 %a0, 10
+  ret i64 %shr
+}
+
+define i64 @f5(i64 %a0) nounwind readnone {
+entry:
+; CHECK: dsrl
+  %shr = lshr i64 %a0, 10
+  ret i64 %shr
+}
+
+define i64 @f6(i64 %a0) nounwind readnone {
+entry:
+; CHECK: dsll32
+  %shl = shl i64 %a0, 40
+  ret i64 %shl
+}
+
+define i64 @f7(i64 %a0) nounwind readnone {
+entry:
+; CHECK: dsra32
+  %shr = ashr i64 %a0, 40
+  ret i64 %shr
+}
+
+define i64 @f8(i64 %a0) nounwind readnone {
+entry:
+; CHECK: dsrl32
+  %shr = lshr i64 %a0, 40
+  ret i64 %shr
+}