635ab515d5
If we're interleaving 2 constant splats, for instance `<vscale x 8 x i32> <splat of 666>` and `<vscale x 8 x i32> <splat of 777>`, we can create a larger splat `<vscale x 8 x i64> <splat of ((777 << 32) | 666)>` first before casting it back into `<vscale x 16 x i32>`.
18 lines
1.1 KiB
LLVM
18 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S -mtriple=riscv64 -mattr=+v %s -passes=vector-combine | FileCheck %s
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; RUN: opt -S -mtriple=riscv32 -mattr=+v %s -passes=vector-combine | FileCheck %s
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; We should not form a i128 vector.
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define void @interleave2_const_splat_nxv8i64(ptr %dst) {
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; CHECK-LABEL: define void @interleave2_const_splat_nxv8i64(
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; CHECK-SAME: ptr [[DST:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[INTERLEAVE2:%.*]] = call <vscale x 8 x i64> @llvm.vector.interleave2.nxv8i64(<vscale x 4 x i64> splat (i64 666), <vscale x 4 x i64> splat (i64 777))
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; CHECK-NEXT: call void @llvm.vp.store.nxv8i64.p0(<vscale x 8 x i64> [[INTERLEAVE2]], ptr [[DST]], <vscale x 8 x i1> splat (i1 true), i32 88)
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; CHECK-NEXT: ret void
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;
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%interleave2 = call <vscale x 8 x i64> @llvm.vector.interleave2.nxv8i64(<vscale x 4 x i64> splat (i64 666), <vscale x 4 x i64> splat (i64 777))
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call void @llvm.vp.store.nxv8i64.p0(<vscale x 8 x i64> %interleave2, ptr %dst, <vscale x 8 x i1> splat (i1 true), i32 88)
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ret void
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}
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