41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt -S -o - -structurizecfg < %s | FileCheck %s
|
||
|
|
|
||
|
|
define void @test1() {
|
||
|
|
; CHECK-LABEL: @test1(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: br label [[LOOP:%.*]]
|
||
|
|
; CHECK: Flow:
|
||
|
|
; CHECK-NEXT: br label [[FLOW1:%.*]]
|
||
|
|
; CHECK: loop:
|
||
|
|
; CHECK-NEXT: [[CTR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[CTR_NEXT:%.*]], [[FLOW1]] ]
|
||
|
|
; CHECK-NEXT: [[CTR_NEXT]] = add i32 [[CTR]], 1
|
||
|
|
; CHECK-NEXT: br i1 undef, label [[LOOP_A:%.*]], label [[FLOW1]]
|
||
|
|
; CHECK: loop.a:
|
||
|
|
; CHECK-NEXT: br i1 undef, label [[LOOP_B:%.*]], label [[FLOW:%.*]]
|
||
|
|
; CHECK: loop.b:
|
||
|
|
; CHECK-NEXT: br label [[FLOW]]
|
||
|
|
; CHECK: Flow1:
|
||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = phi i1 [ false, [[FLOW]] ], [ true, [[LOOP]] ]
|
||
|
|
; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT:%.*]], label [[LOOP]]
|
||
|
|
; CHECK: exit:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop:
|
||
|
|
%ctr = phi i32 [ 0, %entry ], [ %ctr.next, %loop.a ], [ %ctr.next, %loop.b ]
|
||
|
|
%ctr.next = add i32 %ctr, 1
|
||
|
|
br i1 undef, label %exit, label %loop.a
|
||
|
|
|
||
|
|
loop.a:
|
||
|
|
br i1 undef, label %loop, label %loop.b
|
||
|
|
|
||
|
|
loop.b:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
exit:
|
||
|
|
ret void
|
||
|
|
}
|