1 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr15296.ll b/test/CodeGen/X86/pr15296.ll
new file mode 100644
index 0000000000..1187d80cdf
--- /dev/null
+++ b/test/CodeGen/X86/pr15296.ll
@@ -0,0 +1,46 @@
+; RUN: llc < %s -mtriple=i686-pc-linux -mcpu=corei7-avx | FileCheck %s
+
+define <8 x i32> @shiftInput___vyuunu(<8 x i32> %input, i32 %shiftval, <8 x i32> %__mask) nounwind {
+allocas:
+  %smear.0 = insertelement <8 x i32> undef, i32 %shiftval, i32 0
+  %smear.1 = insertelement <8 x i32> %smear.0, i32 %shiftval, i32 1
+  %smear.2 = insertelement <8 x i32> %smear.1, i32 %shiftval, i32 2
+  %smear.3 = insertelement <8 x i32> %smear.2, i32 %shiftval, i32 3
+  %smear.4 = insertelement <8 x i32> %smear.3, i32 %shiftval, i32 4
+  %smear.5 = insertelement <8 x i32> %smear.4, i32 %shiftval, i32 5
+  %smear.6 = insertelement <8 x i32> %smear.5, i32 %shiftval, i32 6
+  %smear.7 = insertelement <8 x i32> %smear.6, i32 %shiftval, i32 7
+  %bitop = lshr <8 x i32> %input, %smear.7
+  ret <8 x i32> %bitop
+}
+
+; CHECK: shiftInput___vyuunu
+; CHECK: psrld
+; CHECK: psrld
+; CHECK: ret
+
+define <8 x i32> @shiftInput___canonical(<8 x i32> %input, i32 %shiftval, <8 x i32> %__mask) nounwind {
+allocas:
+  %smear.0 = insertelement <8 x i32> undef, i32 %shiftval, i32 0
+  %smear.7 = shufflevector <8 x i32> %smear.0, <8 x i32> undef, <8 x i32> zeroinitializer
+  %bitop = lshr <8 x i32> %input, %smear.7
+  ret <8 x i32> %bitop
+}
+
+; CHECK: shiftInput___canonical
+; CHECK: psrld
+; CHECK: psrld
+; CHECK: ret
+
+define <4 x i64> @shiftInput___64in32bitmode(<4 x i64> %input, i64 %shiftval, <4 x i64> %__mask) nounwind {
+allocas:
+  %smear.0 = insertelement <4 x i64> undef, i64 %shiftval, i32 0
+  %smear.7 = shufflevector <4 x i64> %smear.0, <4 x i64> undef, <4 x i32> zeroinitializer
+  %bitop = lshr <4 x i64> %input, %smear.7
+  ret <4 x i64> %bitop
+}
+
+; CHECK: shiftInput___64in32bitmode
+; CHECK: psrlq
+; CHECK: psrlq
+; CHECK: ret