Vendor import of llvm trunk r161861:

http://llvm.org/svn/llvm-project/llvm/trunk@161861

1 files changed, 16 insertions, 0 deletions

diff --git a/test/CodeGen/Hexagon/fusedandshift.ll b/test/CodeGen/Hexagon/fusedandshift.ll
new file mode 100644
index 0000000..022b3c6
--- /dev/null
+++ b/test/CodeGen/Hexagon/fusedandshift.ll
@@ -0,0 +1,16 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4  < %s | FileCheck %s
+; Check that we generate fused logical and with shift instruction.
+
+; CHECK: r{{[0-9]+}} = and(#15, lsr(r{{[0-9]+}}, #{{[0-9]+}})
+
+define i32 @main(i16* %a, i16* %b) nounwind {
+  entry:
+  %0 = load i16* %a, align 2
+  %conv1 = sext i16 %0 to i32
+  %shr1 = ashr i32 %conv1, 3
+  %and1 = and i32 %shr1, 15
+  %conv2 = trunc i32 %and1 to i16
+  store i16 %conv2, i16* %b, align 2
+  ret i32 0
+}
+