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1; RUN: opt %loadNPMPolly -aa-pipeline=basic-aa '-passes=polly-custom<ast>' -polly-print-ast -polly-ast-detect-parallel -disable-output < %s | FileCheck %s2 3; Verify that we actually detect this loop as the innermost loop even though4; there is a conditional inside.5 6; CHECK: #pragma simd7; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1) {8; CHECK: if (c0 >= m + 1025) {9; CHECK: Stmt_if_else(c0);10; CHECK: } else11; CHECK: Stmt_if_then(c0);12; CHECK: Stmt_if_end(c0);13; CHECK: }14 15target 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"16 17@A = common global [1024 x i32] zeroinitializer, align 1618@B = common global [1024 x i32] zeroinitializer, align 1619 20define void @loop_with_condition(i32 %m) nounwind {21entry:22 fence seq_cst23 %tmp = sub i32 0, %m24 %tmp1 = zext i32 %tmp to i6425 br label %for.cond26 27for.cond: ; preds = %for.inc, %entry28 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]29 %arrayidx = getelementptr [1024 x i32], ptr @A, i64 0, i64 %indvar30 %arrayidx10 = getelementptr [1024 x i32], ptr @B, i64 0, i64 %indvar31 %tmp2 = add i64 %tmp1, %indvar32 %sub = trunc i64 %tmp2 to i3233 %exitcond = icmp ne i64 %indvar, 102434 br i1 %exitcond, label %for.body, label %for.end35 36for.body: ; preds = %for.cond37 %cmp3 = icmp sle i32 %sub, 102438 br i1 %cmp3, label %if.then, label %if.else39 40if.then: ; preds = %for.body41 store i32 1, ptr %arrayidx42 br label %if.end43 44if.else: ; preds = %for.body45 store i32 2, ptr %arrayidx46 br label %if.end47 48if.end: ; preds = %if.else, %if.then49 store i32 3, ptr %arrayidx1050 br label %for.inc51 52for.inc: ; preds = %if.end53 %indvar.next = add i64 %indvar, 154 br label %for.cond55 56for.end: ; preds = %for.cond57 fence seq_cst58 ret void59}60 61define i32 @main() nounwind {62entry:63 call void @llvm.memset.p0.i64(ptr @A, i8 0, i64 4096, i32 1, i1 false)64 call void @llvm.memset.p0.i64(ptr @B, i8 0, i64 4096, i32 1, i1 false)65 call void @loop_with_condition(i32 5)66 br label %for.cond67 68for.cond: ; preds = %for.inc, %entry69 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]70 %arrayidx = getelementptr [1024 x i32], ptr @B, i64 0, i64 %indvar171 %i.0 = trunc i64 %indvar1 to i3272 %cmp = icmp slt i32 %i.0, 102473 br i1 %cmp, label %for.body, label %for.end74 75for.body: ; preds = %for.cond76 %tmp3 = load i32, ptr %arrayidx77 %cmp4 = icmp ne i32 %tmp3, 378 br i1 %cmp4, label %if.then, label %if.end79 80if.then: ; preds = %for.body81 br label %return82 83if.end: ; preds = %for.body84 br label %for.inc85 86for.inc: ; preds = %if.end87 %indvar.next2 = add i64 %indvar1, 188 br label %for.cond89 90for.end: ; preds = %for.cond91 br label %for.cond692 93for.cond6: ; preds = %for.inc12, %for.end94 %indvar = phi i64 [ %indvar.next, %for.inc12 ], [ 0, %for.end ]95 %arrayidx15 = getelementptr [1024 x i32], ptr @A, i64 0, i64 %indvar96 %i.1 = trunc i64 %indvar to i3297 %cmp8 = icmp slt i32 %i.1, 102498 br i1 %cmp8, label %for.body9, label %for.end3599 100for.body9: ; preds = %for.cond6101 br i1 true, label %land.lhs.true, label %if.else102 103land.lhs.true: ; preds = %for.body9104 %tmp16 = load i32, ptr %arrayidx15105 %cmp17 = icmp ne i32 %tmp16, 1106 br i1 %cmp17, label %if.then18, label %if.else107 108if.then18: ; preds = %land.lhs.true109 br label %return110 111if.else: ; preds = %land.lhs.true, %for.body9112 br i1 false, label %land.lhs.true23, label %if.end30113 114land.lhs.true23: ; preds = %if.else115 %tmp27 = load i32, ptr %arrayidx15116 %cmp28 = icmp ne i32 %tmp27, 2117 br i1 %cmp28, label %if.then29, label %if.end30118 119if.then29: ; preds = %land.lhs.true23120 br label %return121 122if.end30: ; preds = %land.lhs.true23, %if.else123 br label %if.end31124 125if.end31: ; preds = %if.end30126 br label %for.inc12127 128for.inc12: ; preds = %if.end31129 %indvar.next = add i64 %indvar, 1130 br label %for.cond6131 132for.end35: ; preds = %for.cond6133 br label %return134 135return: ; preds = %for.end35, %if.then29, %if.then18, %if.then136 %retval.0 = phi i32 [ 1, %if.then ], [ 1, %if.then18 ], [ 1, %if.then29 ], [ 0, %for.end35 ]137 ret i32 %retval.0138}139 140declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i32, i1) nounwind141