53 lines
1.9 KiB
LLVM
53 lines
1.9 KiB
LLVM
; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution | FileCheck %s
|
|
; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
|
|
|
|
; ScalarEvolution should be able to compute a maximum trip count
|
|
; value sufficient to fold away both sext casts.
|
|
|
|
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"
|
|
|
|
define float @t(float* %pTmp1, float* %peakWeight, float* %nrgReducePeakrate, i32 %bim) nounwind {
|
|
; CHECK-LABEL: Classifying expressions for: @t
|
|
entry:
|
|
%tmp3 = load float, float* %peakWeight, align 4
|
|
%tmp2538 = icmp sgt i32 %bim, 0
|
|
br i1 %tmp2538, label %bb.nph, label %bb4
|
|
|
|
bb.nph:
|
|
br label %bb
|
|
|
|
bb:
|
|
%distERBhi.036 = phi float [ %tmp10, %bb1 ], [ 0.000000e+00, %bb.nph ]
|
|
%hiPart.035 = phi i32 [ %tmp12, %bb1 ], [ 0, %bb.nph ]
|
|
%peakCount.034 = phi float [ %tmp19, %bb1 ], [ %tmp3, %bb.nph ]
|
|
%tmp6 = sext i32 %hiPart.035 to i64
|
|
%tmp7 = getelementptr float, float* %pTmp1, i64 %tmp6
|
|
; CHECK: %tmp6 = sext i32 %hiPart.035 to i64
|
|
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%bb>
|
|
%tmp8 = load float, float* %tmp7, align 4
|
|
%tmp10 = fadd float %tmp8, %distERBhi.036
|
|
%tmp12 = add i32 %hiPart.035, 1
|
|
%tmp15 = sext i32 %tmp12 to i64
|
|
%tmp16 = getelementptr float, float* %peakWeight, i64 %tmp15
|
|
; CHECK: %tmp15 = sext i32 %tmp12 to i64
|
|
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb>
|
|
%tmp17 = load float, float* %tmp16, align 4
|
|
%tmp19 = fadd float %tmp17, %peakCount.034
|
|
br label %bb1
|
|
|
|
bb1:
|
|
%tmp21 = fcmp olt float %tmp10, 2.500000e+00
|
|
%tmp25 = icmp slt i32 %tmp12, %bim
|
|
%tmp27 = and i1 %tmp21, %tmp25
|
|
br i1 %tmp27, label %bb, label %bb1.bb4_crit_edge
|
|
|
|
bb1.bb4_crit_edge:
|
|
br label %bb4
|
|
|
|
bb4:
|
|
%distERBhi.0.lcssa = phi float [ %tmp10, %bb1.bb4_crit_edge ], [ 0.000000e+00, %entry ]
|
|
%peakCount.0.lcssa = phi float [ %tmp19, %bb1.bb4_crit_edge ], [ %tmp3, %entry ]
|
|
%tmp31 = fdiv float %peakCount.0.lcssa, %distERBhi.0.lcssa
|
|
ret float %tmp31
|
|
}
|