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llvm-mirror/test/CodeGen/SystemZ/vec-rem.ll
Jonas Paulsson 4eafdd14d1 [SystemZ] Bugfix in SystemZTargetLowering::combineIntDIVREM()
Make sure to not unroll a vector division/remainder (with a constant splat
divisor) after type legalization, since the scalar type may then be illegal.

Review: Ulrich Weigand
https://reviews.llvm.org/D62036

llvm-svn: 360965
2019-05-17 00:50:35 +00:00

14 lines
766 B
LLVM

; Verify that we do not create illegal scalar urems after type legalization.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13
define <16 x i8> @main(i16 %arg) {
bb:
%tmp6 = insertelement <16 x i16> undef, i16 %arg, i32 0
%tmp7 = shufflevector <16 x i16> %tmp6, <16 x i16> undef, <16 x i32> zeroinitializer
%tmp8 = insertelement <16 x i8> <i8 undef, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, i8 undef, i32 0
%tmp11 = urem <16 x i16> %tmp7, <i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265, i16 29265>
%tmp12 = trunc <16 x i16> %tmp11 to <16 x i8>
ret <16 x i8> %tmp12
}