1 ; RUN: opt %loadPolly -polly-print-opt-isl -disable-output < %s | FileCheck %s --check-prefix=OPT --match-full-lines
2 ; RUN: opt %loadPolly -polly-opt-isl -polly-print-ast -disable-output < %s | FileCheck %s --check-prefix=AST --match-full-lines
3 ; RUN: opt %loadPolly -polly-opt-isl -polly-codegen -simplifycfg -S < %s | FileCheck %s --check-prefix=CODEGEN
5 ; Partial unroll by a factor of 4.
7 define void @func(i32 %n, ptr noalias nonnull %A) {
12 %j = phi i32 [0, %entry], [%j.inc, %inc]
13 %j.cmp = icmp slt i32 %j, %n
14 br i1 %j.cmp, label %body, label %exit
17 store double 42.0, ptr %A
21 %j.inc = add nuw nsw i32 %j, 1
22 br label %for, !llvm.loop !2
32 !2 = distinct !{!2, !4, !5, !6}
33 !4 = !{!"llvm.loop.unroll.enable", i1 true}
34 !5 = !{!"llvm.loop.unroll.count", i4 4}
35 !6 = !{!"llvm.loop.unroll.followup_unrolled", !7}
37 !7 = distinct !{!7, !8}
38 !8 = !{!"llvm.loop.id", !"This-is-the-unrolled-loop"}
41 ; OPT-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func':
42 ; OPT: domain: "[n] -> { Stmt_body[i0] : 0 <= i0 < n }"
43 ; OPT: mark: "Loop with Metadata"
44 ; OPT: schedule: "[n] -> [{ Stmt_body[i0] -> [(i0 - (i0) mod 4)] }]"
46 ; OPT-NEXT: - filter: "[n] -> { Stmt_body[i0] : (i0) mod 4 = 0 }"
47 ; OPT-NEXT: - filter: "[n] -> { Stmt_body[i0] : (-1 + i0) mod 4 = 0 }"
48 ; OPT-NEXT: - filter: "[n] -> { Stmt_body[i0] : (2 + i0) mod 4 = 0 }"
49 ; OPT-NEXT: - filter: "[n] -> { Stmt_body[i0] : (1 + i0) mod 4 = 0 }"
52 ; AST-LABEL: Printing analysis 'Polly - Generate an AST of the SCoP (isl)'for => return' in function 'func':
53 ; AST: // Loop with Metadata
54 ; AST-NEXT: for (int c0 = 0; c0 < n; c0 += 4) {
57 ; CODEGEN: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.exiting, !llvm.loop ![[LOOPID:[0-9]+]]
58 ; CODEGEN: ![[LOOPID]] = distinct !{![[LOOPID]], ![[LOOPNAME:[0-9]+]]}
59 ; CODEGEN: ![[LOOPNAME]] = !{!"llvm.loop.id", !"This-is-the-unrolled-loop"}