167 lines · plain
1; RUN: opt %loadNPMPolly -polly-process-unprofitable=false -polly-allow-nonaffine-loops '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s2;3; Even if we allow non-affine loops we can only model the outermost loop, all4; other loops are boxed in non-affine regions. However, the inner loops can be5; distributed as black-boxes, thus we will recognize the outer loop as profitable.6;7; CHECK: Valid Region for Scop: for.cond => for.end.518;9; void f(int *A) {10; for (int i = 0; i < 100; i++) {11; // Non-affine12; for (int j = 0; j < i * i; j++)13; for (int k = 0; k < i; k++)14; A[i]++;15; // Non-affine16; for (int j = 0; j < i * i; j++)17; // Non-affine18; for (int k = 0; k < j; k++)19; A[i]++;20; // Non-affine21; if (A[i])22; for (int j = 0; j < 100; j++)23; for (int k = 0; k < j * j; k++)24; A[i]++;25; }26; }27;28target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"29 30define void @f(ptr %A) {31entry:32 br label %for.cond33 34for.cond: ; preds = %for.inc.49, %entry35 %indvars.iv5 = phi i64 [ %indvars.iv.next6, %for.inc.49 ], [ 0, %entry ]36 %indvars.iv = phi i32 [ %indvars.iv.next, %for.inc.49 ], [ 0, %entry ]37 %exitcond9 = icmp ne i64 %indvars.iv5, 10038 br i1 %exitcond9, label %for.body, label %for.end.5139 40for.body: ; preds = %for.cond41 br label %for.cond.142 43for.cond.1: ; preds = %for.inc.8, %for.body44 %j.0 = phi i32 [ 0, %for.body ], [ %inc9, %for.inc.8 ]45 %tmp = mul nsw i64 %indvars.iv5, %indvars.iv546 %tmp10 = sext i32 %j.0 to i6447 %cmp2 = icmp slt i64 %tmp10, %tmp48 br i1 %cmp2, label %for.body.3, label %for.end.1049 50for.body.3: ; preds = %for.cond.151 br label %for.cond.452 53for.cond.4: ; preds = %for.inc, %for.body.354 %k.0 = phi i32 [ 0, %for.body.3 ], [ %inc7, %for.inc ]55 %exitcond = icmp ne i32 %k.0, %indvars.iv56 br i1 %exitcond, label %for.body.6, label %for.end57 58for.body.6: ; preds = %for.cond.459 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv560 %tmp11 = load i32, ptr %arrayidx, align 461 %inc = add nsw i32 %tmp11, 162 store i32 %inc, ptr %arrayidx, align 463 br label %for.inc64 65for.inc: ; preds = %for.body.666 %inc7 = add nuw nsw i32 %k.0, 167 br label %for.cond.468 69for.end: ; preds = %for.cond.470 br label %for.inc.871 72for.inc.8: ; preds = %for.end73 %inc9 = add nuw nsw i32 %j.0, 174 br label %for.cond.175 76for.end.10: ; preds = %for.cond.177 br label %for.cond.1278 79for.cond.12: ; preds = %for.inc.26, %for.end.1080 %indvars.iv1 = phi i32 [ %indvars.iv.next2, %for.inc.26 ], [ 0, %for.end.10 ]81 %tmp12 = mul nsw i64 %indvars.iv5, %indvars.iv582 %tmp13 = sext i32 %indvars.iv1 to i6483 %cmp14 = icmp slt i64 %tmp13, %tmp1284 br i1 %cmp14, label %for.body.15, label %for.end.2885 86for.body.15: ; preds = %for.cond.1287 br label %for.cond.1788 89for.cond.17: ; preds = %for.inc.23, %for.body.1590 %k16.0 = phi i32 [ 0, %for.body.15 ], [ %inc24, %for.inc.23 ]91 %exitcond3 = icmp ne i32 %k16.0, %indvars.iv192 br i1 %exitcond3, label %for.body.19, label %for.end.2593 94for.body.19: ; preds = %for.cond.1795 %arrayidx21 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv596 %tmp14 = load i32, ptr %arrayidx21, align 497 %inc22 = add nsw i32 %tmp14, 198 store i32 %inc22, ptr %arrayidx21, align 499 br label %for.inc.23100 101for.inc.23: ; preds = %for.body.19102 %inc24 = add nuw nsw i32 %k16.0, 1103 br label %for.cond.17104 105for.end.25: ; preds = %for.cond.17106 br label %for.inc.26107 108for.inc.26: ; preds = %for.end.25109 %indvars.iv.next2 = add nuw nsw i32 %indvars.iv1, 1110 br label %for.cond.12111 112for.end.28: ; preds = %for.cond.12113 %arrayidx30 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv5114 %tmp15 = load i32, ptr %arrayidx30, align 4115 %tobool = icmp eq i32 %tmp15, 0116 br i1 %tobool, label %if.end, label %if.then117 118if.then: ; preds = %for.end.28119 br label %for.cond.32120 121for.cond.32: ; preds = %for.inc.46, %if.then122 %j31.0 = phi i32 [ 0, %if.then ], [ %inc47, %for.inc.46 ]123 %exitcond4 = icmp ne i32 %j31.0, 100124 br i1 %exitcond4, label %for.body.34, label %for.end.48125 126for.body.34: ; preds = %for.cond.32127 br label %for.cond.36128 129for.cond.36: ; preds = %for.inc.43, %for.body.34130 %k35.0 = phi i32 [ 0, %for.body.34 ], [ %inc44, %for.inc.43 ]131 %mul37 = mul nsw i32 %j31.0, %j31.0132 %cmp38 = icmp slt i32 %k35.0, %mul37133 br i1 %cmp38, label %for.body.39, label %for.end.45134 135for.body.39: ; preds = %for.cond.36136 %arrayidx41 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv5137 %tmp16 = load i32, ptr %arrayidx41, align 4138 %inc42 = add nsw i32 %tmp16, 1139 store i32 %inc42, ptr %arrayidx41, align 4140 br label %for.inc.43141 142for.inc.43: ; preds = %for.body.39143 %inc44 = add nuw nsw i32 %k35.0, 1144 br label %for.cond.36145 146for.end.45: ; preds = %for.cond.36147 br label %for.inc.46148 149for.inc.46: ; preds = %for.end.45150 %inc47 = add nuw nsw i32 %j31.0, 1151 br label %for.cond.32152 153for.end.48: ; preds = %for.cond.32154 br label %if.end155 156if.end: ; preds = %for.end.28, %for.end.48157 br label %for.inc.49158 159for.inc.49: ; preds = %if.end160 %indvars.iv.next6 = add nuw nsw i64 %indvars.iv5, 1161 %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1162 br label %for.cond163 164for.end.51: ; preds = %for.cond165 ret void166}167