Home | History | Annotate | Download | only in IndVarSimplify
      1 ; RUN: opt < %s -indvars -S | FileCheck %s
      2 
      3 ; Indvars should be able to promote the hiPart induction variable in the
      4 ; inner loop to i64.
      5 ; TODO: it should promote hiPart to i64 in the outer loop too.
      6 
      7 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n:32:64"
      8 
      9 define void @t(float* %pTmp1, float* %peakWeight, float* %nrgReducePeakrate, i32 %bandEdgeIndex, float %tmp1) nounwind {
     10 entry:
     11 	%tmp = load float* %peakWeight, align 4		; <float> [#uses=1]
     12 	%tmp2 = icmp sgt i32 %bandEdgeIndex, 0		; <i1> [#uses=1]
     13 	br i1 %tmp2, label %bb.nph22, label %return
     14 
     15 bb.nph22:		; preds = %entry
     16 	%tmp3 = add i32 %bandEdgeIndex, -1		; <i32> [#uses=2]
     17 	br label %bb
     18 
     19 ; CHECK: bb:
     20 ; CHECK: phi i64
     21 ; CHECK-NOT: phi i64
     22 bb:		; preds = %bb8, %bb.nph22
     23 	%distERBhi.121 = phi float [ %distERBhi.2.lcssa, %bb8 ], [ 0.000000e+00, %bb.nph22 ]		; <float> [#uses=2]
     24 	%distERBlo.120 = phi float [ %distERBlo.0.lcssa, %bb8 ], [ 0.000000e+00, %bb.nph22 ]		; <float> [#uses=2]
     25 	%hiPart.119 = phi i32 [ %hiPart.0.lcssa, %bb8 ], [ 0, %bb.nph22 ]		; <i32> [#uses=3]
     26 	%loPart.118 = phi i32 [ %loPart.0.lcssa, %bb8 ], [ 0, %bb.nph22 ]		; <i32> [#uses=2]
     27 	%peakCount.117 = phi float [ %peakCount.2.lcssa, %bb8 ], [ %tmp, %bb.nph22 ]		; <float> [#uses=2]
     28 	%part.016 = phi i32 [ %tmp46, %bb8 ], [ 0, %bb.nph22 ]		; <i32> [#uses=5]
     29 	%tmp4 = icmp sgt i32 %part.016, 0		; <i1> [#uses=1]
     30 	br i1 %tmp4, label %bb1, label %bb3.preheader
     31 
     32 ; CHECK: bb1:
     33 bb1:		; preds = %bb
     34 	%tmp5 = add i32 %part.016, -1		; <i32> [#uses=1]
     35 	%tmp6 = sext i32 %tmp5 to i64		; <i64> [#uses=1]
     36 	%tmp7 = getelementptr float* %pTmp1, i64 %tmp6		; <float*> [#uses=1]
     37 	%tmp8 = load float* %tmp7, align 4		; <float> [#uses=1]
     38 	%tmp9 = fadd float %tmp8, %distERBlo.120		; <float> [#uses=1]
     39 	%tmp10 = add i32 %part.016, -1		; <i32> [#uses=1]
     40 	%tmp11 = sext i32 %tmp10 to i64		; <i64> [#uses=1]
     41 	%tmp12 = getelementptr float* %pTmp1, i64 %tmp11		; <float*> [#uses=1]
     42 	%tmp13 = load float* %tmp12, align 4		; <float> [#uses=1]
     43 	%tmp14 = fsub float %distERBhi.121, %tmp13		; <float> [#uses=1]
     44 	br label %bb3.preheader
     45 
     46 bb3.preheader:		; preds = %bb1, %bb
     47 	%distERBlo.0.ph = phi float [ %distERBlo.120, %bb ], [ %tmp9, %bb1 ]		; <float> [#uses=3]
     48 	%distERBhi.0.ph = phi float [ %distERBhi.121, %bb ], [ %tmp14, %bb1 ]		; <float> [#uses=3]
     49 	%tmp15 = fcmp ogt float %distERBlo.0.ph, 2.500000e+00		; <i1> [#uses=1]
     50 	br i1 %tmp15, label %bb.nph, label %bb5.preheader
     51 
     52 bb.nph:		; preds = %bb3.preheader
     53 	br label %bb2
     54 
     55 bb2:		; preds = %bb3, %bb.nph
     56 	%distERBlo.03 = phi float [ %tmp19, %bb3 ], [ %distERBlo.0.ph, %bb.nph ]		; <float> [#uses=1]
     57 	%loPart.02 = phi i32 [ %tmp24, %bb3 ], [ %loPart.118, %bb.nph ]		; <i32> [#uses=3]
     58 	%peakCount.01 = phi float [ %tmp23, %bb3 ], [ %peakCount.117, %bb.nph ]		; <float> [#uses=1]
     59 	%tmp16 = sext i32 %loPart.02 to i64		; <i64> [#uses=1]
     60 	%tmp17 = getelementptr float* %pTmp1, i64 %tmp16		; <float*> [#uses=1]
     61 	%tmp18 = load float* %tmp17, align 4		; <float> [#uses=1]
     62 	%tmp19 = fsub float %distERBlo.03, %tmp18		; <float> [#uses=3]
     63 	%tmp20 = sext i32 %loPart.02 to i64		; <i64> [#uses=1]
     64 	%tmp21 = getelementptr float* %peakWeight, i64 %tmp20		; <float*> [#uses=1]
     65 	%tmp22 = load float* %tmp21, align 4		; <float> [#uses=1]
     66 	%tmp23 = fsub float %peakCount.01, %tmp22		; <float> [#uses=2]
     67 	%tmp24 = add i32 %loPart.02, 1		; <i32> [#uses=2]
     68 	br label %bb3
     69 
     70 bb3:		; preds = %bb2
     71 	%tmp25 = fcmp ogt float %tmp19, 2.500000e+00		; <i1> [#uses=1]
     72 	br i1 %tmp25, label %bb2, label %bb3.bb5.preheader_crit_edge
     73 
     74 bb3.bb5.preheader_crit_edge:		; preds = %bb3
     75 	%tmp24.lcssa = phi i32 [ %tmp24, %bb3 ]		; <i32> [#uses=1]
     76 	%tmp23.lcssa = phi float [ %tmp23, %bb3 ]		; <float> [#uses=1]
     77 	%tmp19.lcssa = phi float [ %tmp19, %bb3 ]		; <float> [#uses=1]
     78 	br label %bb5.preheader
     79 
     80 bb5.preheader:		; preds = %bb3.bb5.preheader_crit_edge, %bb3.preheader
     81 	%distERBlo.0.lcssa = phi float [ %tmp19.lcssa, %bb3.bb5.preheader_crit_edge ], [ %distERBlo.0.ph, %bb3.preheader ]		; <float> [#uses=2]
     82 	%loPart.0.lcssa = phi i32 [ %tmp24.lcssa, %bb3.bb5.preheader_crit_edge ], [ %loPart.118, %bb3.preheader ]		; <i32> [#uses=1]
     83 	%peakCount.0.lcssa = phi float [ %tmp23.lcssa, %bb3.bb5.preheader_crit_edge ], [ %peakCount.117, %bb3.preheader ]		; <float> [#uses=2]
     84 	%.not10 = fcmp olt float %distERBhi.0.ph, 2.500000e+00		; <i1> [#uses=1]
     85 	%tmp26 = icmp sgt i32 %tmp3, %hiPart.119		; <i1> [#uses=1]
     86 	%or.cond11 = and i1 %tmp26, %.not10		; <i1> [#uses=1]
     87 	br i1 %or.cond11, label %bb.nph12, label %bb7
     88 
     89 bb.nph12:		; preds = %bb5.preheader
     90 	br label %bb4
     91 ; CHECK: bb4:
     92 ; CHECK: phi i64
     93 ; CHECK-NOT: phi i64
     94 ; CHECK-NOT: sext
     95 bb4:		; preds = %bb5, %bb.nph12
     96 	%distERBhi.29 = phi float [ %tmp30, %bb5 ], [ %distERBhi.0.ph, %bb.nph12 ]		; <float> [#uses=1]
     97 	%hiPart.08 = phi i32 [ %tmp31, %bb5 ], [ %hiPart.119, %bb.nph12 ]		; <i32> [#uses=2]
     98 	%peakCount.27 = phi float [ %tmp35, %bb5 ], [ %peakCount.0.lcssa, %bb.nph12 ]		; <float> [#uses=1]
     99 	%tmp27 = sext i32 %hiPart.08 to i64		; <i64> [#uses=1]
    100 	%tmp28 = getelementptr float* %pTmp1, i64 %tmp27		; <float*> [#uses=1]
    101 	%tmp29 = load float* %tmp28, align 4		; <float> [#uses=1]
    102 	%tmp30 = fadd float %tmp29, %distERBhi.29		; <float> [#uses=3]
    103 	%tmp31 = add i32 %hiPart.08, 1		; <i32> [#uses=4]
    104 	%tmp32 = sext i32 %tmp31 to i64		; <i64> [#uses=1]
    105 	%tmp33 = getelementptr float* %peakWeight, i64 %tmp32		; <float*> [#uses=1]
    106 	%tmp34 = load float* %tmp33, align 4		; <float> [#uses=1]
    107 	%tmp35 = fadd float %tmp34, %peakCount.27		; <float> [#uses=2]
    108 	br label %bb5
    109 
    110 ; CHECK: bb5:
    111 bb5:		; preds = %bb4
    112 	%.not = fcmp olt float %tmp30, 2.500000e+00		; <i1> [#uses=1]
    113 	%tmp36 = icmp sgt i32 %tmp3, %tmp31		; <i1> [#uses=1]
    114 	%or.cond = and i1 %tmp36, %.not		; <i1> [#uses=1]
    115 	br i1 %or.cond, label %bb4, label %bb5.bb7_crit_edge
    116 
    117 bb5.bb7_crit_edge:		; preds = %bb5
    118 	%tmp35.lcssa = phi float [ %tmp35, %bb5 ]		; <float> [#uses=1]
    119 	%tmp31.lcssa = phi i32 [ %tmp31, %bb5 ]		; <i32> [#uses=1]
    120 	%tmp30.lcssa = phi float [ %tmp30, %bb5 ]		; <float> [#uses=1]
    121 	br label %bb7
    122 
    123 bb7:		; preds = %bb5.bb7_crit_edge, %bb5.preheader
    124 	%distERBhi.2.lcssa = phi float [ %tmp30.lcssa, %bb5.bb7_crit_edge ], [ %distERBhi.0.ph, %bb5.preheader ]		; <float> [#uses=2]
    125 	%hiPart.0.lcssa = phi i32 [ %tmp31.lcssa, %bb5.bb7_crit_edge ], [ %hiPart.119, %bb5.preheader ]		; <i32> [#uses=1]
    126 	%peakCount.2.lcssa = phi float [ %tmp35.lcssa, %bb5.bb7_crit_edge ], [ %peakCount.0.lcssa, %bb5.preheader ]		; <float> [#uses=2]
    127 	%tmp37 = fadd float %distERBlo.0.lcssa, %distERBhi.2.lcssa		; <float> [#uses=1]
    128 	%tmp38 = fdiv float %peakCount.2.lcssa, %tmp37		; <float> [#uses=1]
    129 	%tmp39 = fmul float %tmp38, %tmp1		; <float> [#uses=2]
    130 	%tmp40 = fmul float %tmp39, %tmp39		; <float> [#uses=2]
    131 	%tmp41 = fmul float %tmp40, %tmp40		; <float> [#uses=1]
    132 	%tmp42 = fadd float %tmp41, 1.000000e+00		; <float> [#uses=1]
    133 	%tmp43 = fdiv float 1.000000e+00, %tmp42		; <float> [#uses=1]
    134 	%tmp44 = sext i32 %part.016 to i64		; <i64> [#uses=1]
    135 	%tmp45 = getelementptr float* %nrgReducePeakrate, i64 %tmp44		; <float*> [#uses=1]
    136 	store float %tmp43, float* %tmp45, align 4
    137 	%tmp46 = add i32 %part.016, 1		; <i32> [#uses=2]
    138 	br label %bb8
    139 
    140 bb8:		; preds = %bb7
    141 	%tmp47 = icmp slt i32 %tmp46, %bandEdgeIndex		; <i1> [#uses=1]
    142 	br i1 %tmp47, label %bb, label %bb8.return_crit_edge
    143 
    144 bb8.return_crit_edge:		; preds = %bb8
    145 	br label %return
    146 
    147 return:		; preds = %bb8.return_crit_edge, %entry
    148 	ret void
    149 }
    150