2 ; RUN: opt -regions -analyze < %s | FileCheck %s
3 ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
4 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
5 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
7 define internal fastcc zeroext i8 @handle_compress() nounwind {
9 br i1 1, label %false239, label %true181
12 br i1 1, label %then187, label %else232
18 br i1 1, label %false239, label %then245
21 br i1 1, label %then245, label %else259
24 br i1 1, label %then251, label %end253
36 br i1 1, label %then291, label %end298
46 ; CHECK: [0] end165 => <Function Return>
47 ; CHECK-NEXT: [1] end165 => end265
48 ; CHECK-NEXT: [2] then245 => end253
49 ; CHECK-NEXT: [1] end265 => end298
51 ; STAT: 4 region - The # of regions
53 ; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232,
54 ; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232,
55 ; BBIT: then245, then251,
56 ; BBIT: end265, then291,
58 ; RNIT: end165 => end265, end265 => end298, end298,
59 ; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232,
60 ; RNIT: then245, then251,
61 ; RNIT: end265, then291,