| ; RUN: opt %loadPolly %defaultOpts -polly-detect -polly-cloog -analyze %s | FileCheck %s |
| ; region-simplify make polly fail to detect the canonical induction variable. |
| ; XFAIL:* |
| |
| ; ModuleID = './datamining/covariance/covariance_without_param.ll' |
| 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-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } |
| %struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 } |
| |
| @float_n = global double 0x41B32863F6028F5C |
| @data = common global [501 x [501 x double]] zeroinitializer, align 32 |
| @symmat = common global [501 x [501 x double]] zeroinitializer, align 32 |
| @stderr = external global %struct._IO_FILE* |
| @.str = private constant [8 x i8] c"%0.2lf \00", align 1 |
| @mean = common global [501 x double] zeroinitializer, align 32 |
| |
| define void @scop_func() nounwind { |
| bb.nph44.bb.nph44.split_crit_edge: |
| %0 = load double* @float_n, align 8 |
| br label %bb.nph36 |
| |
| bb.nph36: ; preds = %bb3, %bb.nph44.bb.nph44.split_crit_edge |
| %indvar77 = phi i64 [ 0, %bb.nph44.bb.nph44.split_crit_edge ], [ %tmp83, %bb3 ] |
| %tmp48 = add i64 %indvar77, 1 |
| %scevgep85 = getelementptr [501 x double]* @mean, i64 0, i64 %tmp48 |
| %tmp83 = add i64 %indvar77, 1 |
| store double 0.000000e+00, double* %scevgep85, align 8 |
| br label %bb1 |
| |
| bb1: ; preds = %bb1, %bb.nph36 |
| %indvar73 = phi i64 [ 0, %bb.nph36 ], [ %tmp82, %bb1 ] |
| %1 = phi double [ 0.000000e+00, %bb.nph36 ], [ %3, %bb1 ] |
| %tmp47 = add i64 %indvar73, 1 |
| %scevgep80 = getelementptr [501 x [501 x double]]* @data, i64 0, i64 %tmp47, i64 %tmp48 |
| %tmp82 = add i64 %indvar73, 1 |
| %2 = load double* %scevgep80, align 8 |
| %3 = fadd double %1, %2 |
| %exitcond42 = icmp eq i64 %tmp82, 500 |
| br i1 %exitcond42, label %bb3, label %bb1 |
| |
| bb3: ; preds = %bb1 |
| %.lcssa41 = phi double [ %3, %bb1 ] |
| %4 = fdiv double %.lcssa41, %0 |
| store double %4, double* %scevgep85, align 8 |
| %exitcond46 = icmp eq i64 %tmp83, 500 |
| br i1 %exitcond46, label %bb8.preheader.preheader, label %bb.nph36 |
| |
| bb8.preheader.preheader: ; preds = %bb3 |
| br label %bb8.preheader |
| |
| bb7: ; preds = %bb8.preheader, %bb7 |
| %indvar59 = phi i64 [ %tmp70, %bb7 ], [ 0, %bb8.preheader ] |
| %tmp39 = add i64 %indvar59, 1 |
| %scevgep66 = getelementptr [501 x [501 x double]]* @data, i64 0, i64 %tmp38, i64 %tmp39 |
| %tmp = add i64 %indvar59, 1 |
| %scevgep67 = getelementptr [501 x double]* @mean, i64 0, i64 %tmp |
| %tmp70 = add i64 %indvar59, 1 |
| %5 = load double* %scevgep66, align 8 |
| %6 = load double* %scevgep67, align 8 |
| %7 = fsub double %5, %6 |
| store double %7, double* %scevgep66, align 8 |
| %exitcond33 = icmp eq i64 %tmp70, 500 |
| br i1 %exitcond33, label %bb9, label %bb7 |
| |
| bb9: ; preds = %bb7 |
| %tmp69 = add i64 %indvar62, 1 |
| %exitcond37 = icmp eq i64 %tmp69, 500 |
| br i1 %exitcond37, label %bb17.preheader.preheader, label %bb8.preheader |
| |
| bb17.preheader.preheader: ; preds = %bb9 |
| br label %bb17.preheader |
| |
| bb8.preheader: ; preds = %bb8.preheader.preheader, %bb9 |
| %indvar62 = phi i64 [ %tmp69, %bb9 ], [ 0, %bb8.preheader.preheader ] |
| %tmp38 = add i64 %indvar62, 1 |
| br label %bb7 |
| |
| bb.nph13.bb.nph13.split_crit_edge: ; preds = %bb17.preheader |
| br label %bb.nph |
| |
| bb.nph: ; preds = %bb16, %bb.nph13.bb.nph13.split_crit_edge |
| %indvar46 = phi i64 [ 0, %bb.nph13.bb.nph13.split_crit_edge ], [ %indvar.next47, %bb16 ] |
| %tmp20 = add i64 %indvar46, 1 |
| %scevgep56 = getelementptr [501 x [501 x double]]* @symmat, i64 0, i64 %tmp20, i64 %tmp22 |
| %tmp24 = add i64 %tmp22, %indvar46 |
| %scevgep58 = getelementptr [501 x [501 x double]]* @symmat, i64 0, i64 1, i64 %tmp24 |
| %tmp28 = add i64 %storemerge214, %indvar46 |
| store double 0.000000e+00, double* %scevgep58, align 8 |
| br label %bb14 |
| |
| bb14: ; preds = %bb14, %bb.nph |
| %indvar = phi i64 [ 0, %bb.nph ], [ %tmp50, %bb14 ] |
| %8 = phi double [ 0.000000e+00, %bb.nph ], [ %12, %bb14 ] |
| %tmp26 = add i64 %indvar, 1 |
| %scevgep = getelementptr [501 x [501 x double]]* @data, i64 0, i64 %tmp26, i64 %tmp28 |
| %scevgep49 = getelementptr [501 x [501 x double]]* @data, i64 0, i64 %tmp26, i64 %storemerge214 |
| %tmp50 = add i64 %indvar, 1 |
| %9 = load double* %scevgep49, align 8 |
| %10 = load double* %scevgep, align 8 |
| %11 = fmul double %9, %10 |
| %12 = fadd double %8, %11 |
| %exitcond1 = icmp eq i64 %tmp50, 500 |
| br i1 %exitcond1, label %bb16, label %bb14 |
| |
| bb16: ; preds = %bb14 |
| %.lcssa = phi double [ %12, %bb14 ] |
| store double %.lcssa, double* %scevgep58 |
| store double %.lcssa, double* %scevgep56, align 8 |
| %indvar.next47 = add i64 %indvar46, 1 |
| %exitcond = icmp eq i64 %indvar.next47, %tmp8 |
| br i1 %exitcond, label %bb18.loopexit, label %bb.nph |
| |
| bb18.loopexit: ; preds = %bb16 |
| br label %bb18 |
| |
| bb18: ; preds = %bb18.loopexit, %bb17.preheader |
| %indvar.next = add i64 %indvar2, 1 |
| %exitcond19 = icmp eq i64 %indvar.next, 500 |
| br i1 %exitcond19, label %return, label %bb17.preheader |
| |
| bb17.preheader: ; preds = %bb17.preheader.preheader, %bb18 |
| %indvar2 = phi i64 [ 0, %bb17.preheader.preheader ], [ %indvar.next, %bb18 ] |
| %tmp21 = mul i64 %indvar2, 502 |
| %tmp22 = add i64 %tmp21, 1 |
| %storemerge214 = add i64 %indvar2, 1 |
| %tmp30 = mul i64 %indvar2, -1 |
| %tmp8 = add i64 %tmp30, 500 |
| br i1 false, label %bb18, label %bb.nph13.bb.nph13.split_crit_edge |
| |
| return: ; preds = %bb18 |
| ret void |
| } |
| ; CHECK: for region: 'bb.nph36 => return' in function 'scop_func': |
