44 lines
1020 B
LLVM
44 lines
1020 B
LLVM
; REQUIRES: asserts
|
|
; RUN: opt -regions -analyze < %s | FileCheck %s
|
|
; RUN: opt -regions -stats -disable-output < %s 2>&1 | FileCheck -check-prefix=STAT %s
|
|
; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
|
|
; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
|
|
|
|
; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
|
|
|
|
define internal fastcc zeroext i8 @loops_1() nounwind {
|
|
entry:
|
|
br i1 1, label %outer , label %a
|
|
|
|
a:
|
|
br label %body
|
|
|
|
outer:
|
|
br label %body
|
|
|
|
body:
|
|
br i1 1, label %land, label %if
|
|
|
|
land:
|
|
br i1 1, label %exit, label %end
|
|
|
|
exit:
|
|
br i1 1, label %if, label %end
|
|
|
|
if:
|
|
br label %outer
|
|
|
|
end:
|
|
ret i8 1
|
|
}
|
|
; CHECK-NOT: =>
|
|
; CHECK: [0] entry => <Function Return>
|
|
; CHECK-NEXT: [1] entry => end
|
|
; STAT: 2 region - The # of regions
|
|
|
|
; BBIT: entry, outer, body, land, exit, if, end, a,
|
|
; BBIT: entry, outer, body, land, exit, if, a,
|
|
|
|
; RNIT: entry => end, end,
|
|
; RNIT: entry, outer, body, land, exit, if, a,
|