1 files changed, 52 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/count_0s.ll b/llvm/test/CodeGen/Hexagon/count_0s.ll
new file mode 100644
index 00000000000..f611a7bd8a6
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/count_0s.ll
@@ -0,0 +1,52 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+
+target triple = "hexagon"
+
+; Function Attrs: nounwind readnone
+define i32 @f0(i32 %a0) #0 {
+b0:
+; CHECK: cl0
+  %v0 = tail call i32 @llvm.ctlz.i32(i32 %a0, i1 true)
+  ret i32 %v0
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare i32 @llvm.ctlz.i32(i32, i1) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare i64 @llvm.ctlz.i64(i64, i1) #1
+
+; Function Attrs: nounwind readnone
+define i32 @f1(i32 %a0) #0 {
+b0:
+; CHECK: ct0
+  %v0 = tail call i32 @llvm.cttz.i32(i32 %a0, i1 true)
+  ret i32 %v0
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare i32 @llvm.cttz.i32(i32, i1) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare i64 @llvm.cttz.i64(i64, i1) #1
+
+; Function Attrs: nounwind readnone
+define i32 @f2(i64 %a0) #0 {
+b0:
+; CHECK: cl0
+  %v0 = tail call i64 @llvm.ctlz.i64(i64 %a0, i1 true)
+  %v1 = trunc i64 %v0 to i32
+  ret i32 %v1
+}
+
+; Function Attrs: nounwind readnone
+define i32 @f3(i64 %a0) #0 {
+b0:
+; CHECK: ct0
+  %v0 = tail call i64 @llvm.cttz.i64(i64 %a0, i1 true)
+  %v1 = trunc i64 %v0 to i32
+  ret i32 %v1
+}
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind readnone speculatable }