forked from OSchip/llvm-project
40 lines
980 B
LLVM
40 lines
980 B
LLVM
; REQUIRES: asserts
|
|
; RUN: opt -regions -analyze < %s | FileCheck %s
|
|
; RUN: opt -regions -stats < %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
|
|
|
|
define internal fastcc zeroext i8 @handle_compress() nounwind {
|
|
entry:
|
|
br label %outer
|
|
|
|
outer:
|
|
br label %body
|
|
|
|
body:
|
|
br i1 1, label %body.i, label %if.end
|
|
|
|
body.i:
|
|
br i1 1, label %end, label %if.end
|
|
|
|
if.end:
|
|
br label %if.then64
|
|
|
|
if.then64:
|
|
br label %outer
|
|
|
|
end:
|
|
ret i8 1
|
|
}
|
|
; CHECK-NOT: =>
|
|
; CHECK: [0] entry => <Function Return>
|
|
; CHECK-NEXT: [1] outer => end
|
|
; STAT: 2 region - The # of regions
|
|
; STAT: 1 region - The # of simple regions
|
|
|
|
; BBIT: entry, outer, body, body.i, end, if.end, if.then64,
|
|
; BBIT: outer, body, body.i, if.end, if.then64,
|
|
|
|
; RNIT: entry, outer => end, end,
|
|
; RNIT: outer, body, body.i, if.end, if.then64,
|