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1; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -passes=loop-vectorize -tail-predication=enabled -S < %s | \2; RUN: FileCheck %s -check-prefixes=COMMON,CHECK3 4; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -passes=loop-vectorize -tail-predication=enabled-no-reductions -S < %s | \5; RUN: FileCheck %s -check-prefixes=COMMON,NORED6 7; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -passes=loop-vectorize -tail-predication=force-enabled-no-reductions -S < %s | \8; RUN: FileCheck %s -check-prefixes=COMMON,NORED9 10target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"11 12; Check that this reduction is allowed, except when reductions are disable on13; the command line.14;15define dso_local i32 @i32_add_reduction(ptr noalias nocapture readonly %B, i32 %N) local_unnamed_addr #0 {16; COMMON-LABEL: i32_add_reduction(17; COMMON: entry:18; CHECK: @llvm.get.active.lane.mask19; NORED-NOT: @llvm.get.active.lane.mask20; COMMON: }21entry:22 %cmp6 = icmp sgt i32 %N, 023 br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup24 25for.body.preheader:26 br label %for.body27 28for.cond.cleanup.loopexit:29 %add.lcssa = phi i32 [ %add, %for.body ]30 br label %for.cond.cleanup31 32for.cond.cleanup:33 %S.0.lcssa = phi i32 [ 1, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]34 ret i32 %S.0.lcssa35 36for.body:37 %i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]38 %S.07 = phi i32 [ %add, %for.body ], [ 1, %for.body.preheader ]39 %arrayidx = getelementptr inbounds i32, ptr %B, i32 %i.0840 %0 = load i32, ptr %arrayidx, align 441 %add = add nsw i32 %0, %S.0742 %inc = add nuw nsw i32 %i.08, 143 %exitcond = icmp eq i32 %inc, %N44 br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body45}46