45 lines
1.9 KiB
LLVM
45 lines
1.9 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+f -target-abi=lp64f \
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; RUN: -disable-machine-licm | FileCheck %s
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; Make sure we don't unnecessrily sink i1 vector splats.
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declare <8 x i1> @llvm.vp.and.v4i1(<8 x i1>, <8 x i1>, <8 x i1>, i32)
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define void @sink_splat_vp_and_i1(ptr nocapture %a, i1 zeroext %x, <8 x i1> %m, i32 zeroext %vl) {
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; CHECK-LABEL: sink_splat_vp_and_i1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: vsetivli zero, 8, e8, mf2, ta, ma
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; CHECK-NEXT: vmv.v.x v8, a1
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; CHECK-NEXT: vmsne.vi v8, v8, 0
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; CHECK-NEXT: addi a1, a0, 1024
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; CHECK-NEXT: .LBB0_1: # %vector.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: vlm.v v9, (a0)
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; CHECK-NEXT: vsetvli zero, a2, e8, mf2, ta, ma
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; CHECK-NEXT: vmand.mm v9, v9, v8
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; CHECK-NEXT: vsetivli zero, 8, e8, mf2, ta, ma
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; CHECK-NEXT: vsm.v v9, (a0)
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; CHECK-NEXT: addi a0, a0, 1
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; CHECK-NEXT: bne a0, a1, .LBB0_1
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; CHECK-NEXT: # %bb.2: # %for.cond.cleanup
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; CHECK-NEXT: ret
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entry:
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%broadcast.splatinsert = insertelement <8 x i1> poison, i1 %x, i32 0
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%broadcast.splat = shufflevector <8 x i1> %broadcast.splatinsert, <8 x i1> poison, <8 x i32> zeroinitializer
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br label %vector.body
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vector.body: ; preds = %vector.body, %entry
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%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
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%0 = getelementptr inbounds i8, ptr %a, i64 %index
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%wide.load = load <8 x i1>, ptr %0, align 4
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%1 = call <8 x i1> @llvm.vp.and.v4i1(<8 x i1> %wide.load, <8 x i1> %broadcast.splat, <8 x i1> %m, i32 %vl)
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store <8 x i1> %1, ptr %0, align 1
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%index.next = add nuw i64 %index, 1
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%2 = icmp eq i64 %index.next, 1024
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br i1 %2, label %for.cond.cleanup, label %vector.body
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for.cond.cleanup: ; preds = %vector.body
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ret void
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}
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