1 files changed, 56 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/vec-move-21.ll b/test/CodeGen/SystemZ/vec-move-21.ll
new file mode 100644
index 00000000000..47ad0371743
--- /dev/null
+++ b/test/CodeGen/SystemZ/vec-move-21.ll
@@ -0,0 +1,56 @@
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
+
+; Test that a replicate of a load gets folded to vlrep also in cases where
+; the load has multiple users.
+
+; CHECK-NOT: vrep
+
+
+define double @fun(double* %Vsrc, <2 x double> %T) {
+entry:
+  %Vgep1 = getelementptr double, double* %Vsrc, i64 0
+  %Vld1 = load double, double* %Vgep1
+  %Vgep2 = getelementptr double, double* %Vsrc, i64 1
+  %Vld2 = load double, double* %Vgep2
+  %Vgep3 = getelementptr double, double* %Vsrc, i64 2
+  %Vld3 = load double, double* %Vgep3
+  %Vgep4 = getelementptr double, double* %Vsrc, i64 3
+  %Vld4 = load double, double* %Vgep4
+  %Vgep5 = getelementptr double, double* %Vsrc, i64 4
+  %Vld5 = load double, double* %Vgep5
+  %Vgep6 = getelementptr double, double* %Vsrc, i64 5
+  %Vld6 = load double, double* %Vgep6
+
+  %V19 = insertelement <2 x double> undef, double %Vld1, i32 0
+  %V20 = shufflevector <2 x double> %V19, <2 x double> undef, <2 x i32> zeroinitializer
+  %V21 = insertelement <2 x double> undef, double %Vld4, i32 0
+  %V22 = insertelement <2 x double> %V21, double %Vld5, i32 1
+  %V23 = fmul <2 x double> %V20, %V22
+  %V24 = fadd <2 x double> %T, %V23
+  %V25 = insertelement <2 x double> %V19, double %Vld2, i32 1
+  %V26 = insertelement <2 x double> undef, double %Vld6, i32 0
+  %V27 = insertelement <2 x double> %V26, double %Vld6, i32 1
+  %V28 = fmul <2 x double> %V25, %V27
+  %V29 = fadd <2 x double> %T, %V28
+  %V30 = insertelement <2 x double> undef, double %Vld2, i32 0
+  %V31 = shufflevector <2 x double> %V30, <2 x double> undef, <2 x i32> zeroinitializer
+  %V32 = insertelement <2 x double> undef, double %Vld5, i32 0
+  %V33 = insertelement <2 x double> %V32, double %Vld6, i32 1
+  %V34 = fmul <2 x double> %V31, %V33
+  %V35 = fadd <2 x double> %T, %V34
+  %V36 = insertelement <2 x double> undef, double %Vld3, i32 0
+  %V37 = shufflevector <2 x double> %V36, <2 x double> undef, <2 x i32> zeroinitializer
+  %V38 = fmul <2 x double> %V37, %V22
+  %V39 = fadd <2 x double> %T, %V38
+  %Vmul37 = fmul double %Vld3, %Vld6
+  %Vadd38 = fadd double %Vmul37, %Vmul37
+
+  %VA0 = fadd <2 x double> %V24, %V29
+  %VA1 = fadd <2 x double> %VA0, %V35
+  %VA2 = fadd <2 x double> %VA1, %V39
+
+  %VE0 = extractelement <2 x double> %VA2, i32 0
+  %VS1 = fadd double %VE0, %Vadd38
+
+  ret double %VS1
+}