3 ; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
4 ; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s
5 ; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s
6 ; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s
8 define internal fastcc zeroext i8 @handle_compress() nounwind {
10 br i1 1, label %false239, label %true181
13 br i1 1, label %then187, label %else232
19 br i1 1, label %false239, label %then245
22 br i1 1, label %then245, label %else259
25 br i1 1, label %then251, label %end253
37 br i1 1, label %then291, label %end298
47 ; CHECK: [0] end165 => <Function Return>
48 ; CHECK-NEXT: [1] end165 => end265
49 ; CHECK-NEXT: [2] then245 => end253
50 ; CHECK-NEXT: [1] end265 => end298
52 ; STAT: 4 region - The # of regions
54 ; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232,
55 ; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232,
56 ; BBIT: then245, then251,
57 ; BBIT: end265, then291,
59 ; RNIT: end165 => end265, end265 => end298, end298,
60 ; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232,
61 ; RNIT: then245, then251,
62 ; RNIT: end265, then291,