1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-simplify -loop-rotate -instcombine -indvars -S -verify-loop-info -verify-dom-info | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Loopsimplify should be able to merge the two loop exits 4*9880d681SAndroid Build Coastguard Worker; into one, so that loop rotate can rotate the loop, so 5*9880d681SAndroid Build Coastguard Worker; that indvars can promote the induction variable to i64 6*9880d681SAndroid Build Coastguard Worker; without needing casts. 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workertarget 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-n32:64" 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1 11*9880d681SAndroid Build Coastguard Worker; CHECK: bb: 12*9880d681SAndroid Build Coastguard Worker; CHECK: phi i64 13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: phi i64 14*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: sext 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerdefine float @test1(float* %pTmp1, float* %peakWeight, i32 %bandEdgeIndex) nounwind { 17*9880d681SAndroid Build Coastguard Workerentry: 18*9880d681SAndroid Build Coastguard Worker %t0 = load float, float* %peakWeight, align 4 19*9880d681SAndroid Build Coastguard Worker br label %bb1 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerbb: ; preds = %bb2 22*9880d681SAndroid Build Coastguard Worker %t1 = sext i32 %hiPart.0 to i64 23*9880d681SAndroid Build Coastguard Worker %t2 = getelementptr float, float* %pTmp1, i64 %t1 24*9880d681SAndroid Build Coastguard Worker %t3 = load float, float* %t2, align 4 25*9880d681SAndroid Build Coastguard Worker %t4 = fadd float %t3, %distERBhi.0 26*9880d681SAndroid Build Coastguard Worker %t5 = add i32 %hiPart.0, 1 27*9880d681SAndroid Build Coastguard Worker %t6 = sext i32 %t5 to i64 28*9880d681SAndroid Build Coastguard Worker %t7 = getelementptr float, float* %peakWeight, i64 %t6 29*9880d681SAndroid Build Coastguard Worker %t8 = load float, float* %t7, align 4 30*9880d681SAndroid Build Coastguard Worker %t9 = fadd float %t8, %peakCount.0 31*9880d681SAndroid Build Coastguard Worker br label %bb1 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerbb1: ; preds = %bb, %entry 34*9880d681SAndroid Build Coastguard Worker %peakCount.0 = phi float [ %t0, %entry ], [ %t9, %bb ] 35*9880d681SAndroid Build Coastguard Worker %hiPart.0 = phi i32 [ 0, %entry ], [ %t5, %bb ] 36*9880d681SAndroid Build Coastguard Worker %distERBhi.0 = phi float [ 0.000000e+00, %entry ], [ %t4, %bb ] 37*9880d681SAndroid Build Coastguard Worker %t10 = fcmp uge float %distERBhi.0, 2.500000e+00 38*9880d681SAndroid Build Coastguard Worker br i1 %t10, label %bb3, label %bb2 39*9880d681SAndroid Build Coastguard Worker 40*9880d681SAndroid Build Coastguard Workerbb2: ; preds = %bb1 41*9880d681SAndroid Build Coastguard Worker %t11 = add i32 %bandEdgeIndex, -1 42*9880d681SAndroid Build Coastguard Worker %t12 = icmp sgt i32 %t11, %hiPart.0 43*9880d681SAndroid Build Coastguard Worker br i1 %t12, label %bb, label %bb3 44*9880d681SAndroid Build Coastguard Worker 45*9880d681SAndroid Build Coastguard Workerbb3: ; preds = %bb2, %bb1 46*9880d681SAndroid Build Coastguard Worker %t13 = fdiv float %peakCount.0, %distERBhi.0 47*9880d681SAndroid Build Coastguard Worker ret float %t13 48*9880d681SAndroid Build Coastguard Worker} 49