1 ; RUN: opt < %s -loop-reduce -gvn -S | FileCheck %s 2 3 target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" 4 5 define void @_Z3fooPfll(float* nocapture readonly %input, i64 %n, i64 %s) { 6 ; CHECK-LABEL: @_Z3fooPfll( 7 entry: 8 %mul = shl nsw i64 %s, 2 9 ; CHECK: %mul = shl i64 %s, 2 10 tail call void @_Z3bazl(i64 %mul) #2 11 ; CHECK-NEXT: call void @_Z3bazl(i64 %mul) 12 %cmp.5 = icmp sgt i64 %n, 0 13 br i1 %cmp.5, label %for.body.preheader, label %for.cond.cleanup 14 15 for.body.preheader: ; preds = %entry 16 br label %for.body 17 18 for.cond.cleanup.loopexit: ; preds = %for.body 19 br label %for.cond.cleanup 20 21 for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry 22 ret void 23 24 for.body: ; preds = %for.body.preheader, %for.body 25 %i.06 = phi i64 [ %add, %for.body ], [ 0, %for.body.preheader ] 26 %arrayidx = getelementptr inbounds float, float* %input, i64 %i.06 27 ; LoopStrengthReduce should reuse %mul as the stride. 28 ; CHECK: getelementptr i1, i1* {{[^,]+}}, i64 %mul 29 %0 = load float, float* %arrayidx, align 4 30 tail call void @_Z3barf(float %0) #2 31 %add = add nsw i64 %i.06, %s 32 %cmp = icmp slt i64 %add, %n 33 br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit 34 } 35 36 declare void @_Z3bazl(i64) 37 38 declare void @_Z3barf(float) 39
