vendor/llvm/llvm-r114020

1 files changed, 25 insertions, 0 deletions

diff --git a/test/CodeGen/X86/vec_shift4.ll b/test/CodeGen/X86/vec_shift4.ll
new file mode 100644
index 000000000000..9ef7fbdb0c50
--- /dev/null
+++ b/test/CodeGen/X86/vec_shift4.ll
@@ -0,0 +1,25 @@
+; RUN: llc < %s -march=x86 -mattr=+sse41 | FileCheck %s
+
+define <2 x i64> @shl1(<4 x i32> %r, <4 x i32> %a) nounwind readnone ssp {
+entry:
+; CHECK-NOT: shll
+; CHECK: pslld
+; CHECK: paddd
+; CHECK: cvttps2dq
+; CHECK: pmulld
+
+  %shl = shl <4 x i32> %r, %a                     ; <<4 x i32>> [#uses=1]
+  %tmp2 = bitcast <4 x i32> %shl to <2 x i64>     ; <<2 x i64>> [#uses=1]
+  ret <2 x i64> %tmp2
+}
+
+define <2 x i64> @shl2(<16 x i8> %r, <16 x i8> %a) nounwind readnone ssp {
+entry:
+; CHECK-NOT: shlb
+; CHECK: pblendvb
+; CHECK: pblendvb
+; CHECK: pblendvb
+  %shl = shl <16 x i8> %r, %a                     ; <<16 x i8>> [#uses=1]
+  %tmp2 = bitcast <16 x i8> %shl to <2 x i64>     ; <<2 x i64>> [#uses=1]
+  ret <2 x i64> %tmp2
+}