1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/fma-mutate-duplicate-vreg.ll b/llvm/test/CodeGen/PowerPC/fma-mutate-duplicate-vreg.ll
new file mode 100644
index 00000000000..08d1b1ba883
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/fma-mutate-duplicate-vreg.ll
@@ -0,0 +1,36 @@
+; RUN: llc -fp-contract=fast -O2 < %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-n32:64"
+target triple = "powerpc64le-grtev4-linux-gnu"
+
+; CHECK-LABEL: f
+; CHECK-NOT: xsmaddmsp [[REG:[0-9]+]], [[REG]], {{[0-9]+}}
+define float @f(float %xf) #0 {
+  %1 = fmul float %xf, %xf
+  %2 = fmul float %1, 0x3F43FB0140000000
+  %3 = fsub float 1.000000e+00, %2
+  %4 = fmul float %1, %3
+  %5 = fmul float %4, 0x3F461C5440000000
+  %6 = fsub float 1.000000e+00, %5
+  %7 = fmul float %1, %6
+  %8 = fmul float %7, 0x3F4899C100000000
+  %9 = fsub float 1.000000e+00, %8
+  %10 = fmul float %1, %9
+  %11 = fmul float %10, 0x3F4B894020000000
+  %12 = fsub float 1.000000e+00, %11
+  %13 = fmul float %1, %12
+  %14 = fmul float %13, 0x3F4F07C200000000
+  %15 = fsub float 1.000000e+00, %14
+  %16 = fmul float %1, %15
+  %17 = fmul float %16, 0x3F519E0120000000
+  %18 = fsub float 1.000000e+00, %17
+  %19 = fmul float %1, %18
+  %20 = fmul float %19, 0x3F542D6620000000
+  %21 = fsub float 1.000000e+00, %20
+  %22 = fmul float %1, %21
+  %23 = fmul float %22, 0x3F5756CAC0000000
+  %24 = fsub float 1.000000e+00, %23
+  %25 = fmul float %1, %24
+  ret float %25
+}
+
+attributes #0 = { norecurse nounwind readnone "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pwr8" "target-features"="+altivec,+bpermd,+crypto,+direct-move,+extdiv,+power8-vector,+vsx,-qpx" "unsafe-fp-math"="false" "use-soft-float"="false" }