Rename irreducible to cfgstructures.ll Include other interesting structures
llvm-svn: 1387
This commit is contained in:
parent
88a8ddae84
commit
275cb9ec1f
|
@ -0,0 +1,53 @@
|
|||
implementation
|
||||
|
||||
;; This is an irreducible flow graph
|
||||
|
||||
|
||||
void "irreducible"(bool %cond)
|
||||
begin
|
||||
br bool %cond, label %X, label %Y
|
||||
|
||||
X:
|
||||
br label %Y
|
||||
Y:
|
||||
br label %X
|
||||
end
|
||||
|
||||
;; This is a pair of loops that share the same header
|
||||
|
||||
void "sharedheader"(bool %cond)
|
||||
begin
|
||||
br label %A
|
||||
A:
|
||||
br bool %cond, label %X, label %Y
|
||||
|
||||
X:
|
||||
br label %A
|
||||
Y:
|
||||
br label %A
|
||||
end
|
||||
|
||||
;; This is a simple nested loop
|
||||
void "nested"(bool %cond1, bool %cond2, bool %cond3)
|
||||
begin
|
||||
br label %Loop1
|
||||
|
||||
Loop1:
|
||||
br label %Loop2
|
||||
|
||||
Loop2:
|
||||
br label %Loop3
|
||||
|
||||
Loop3:
|
||||
br bool %cond3, label %Loop3, label %L3Exit
|
||||
|
||||
L3Exit:
|
||||
br bool %cond2, label %Loop2, label %L2Exit
|
||||
|
||||
L2Exit:
|
||||
br bool %cond1, label %Loop1, label %L1Exit
|
||||
|
||||
L1Exit:
|
||||
ret void
|
||||
end
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
implementation
|
||||
|
||||
;; This is an irreducible flow graph
|
||||
|
||||
void "irreducible"(bool %cond)
|
||||
begin
|
||||
br bool %cond, label %X, label %Y
|
||||
|
||||
X:
|
||||
br label %Y
|
||||
Y:
|
||||
br label %X
|
||||
end
|
||||
|
Loading…
Reference in New Issue