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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
declare void @widget()
declare void @baz(i8)
declare void @snork()
declare void @spam(i8)
declare void @zot()
define void @wombat(i64 %arg, i1 %arg1) {
; CHECK-LABEL: @wombat(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[ARG:%.*]], 0
; CHECK-NEXT: br i1 [[COND]], label [[BB4:%.*]], label [[BB2:%.*]]
; CHECK: bb2:
; CHECK-NEXT: call void @widget()
; CHECK-NEXT: br label [[BB4]]
; CHECK: bb4:
; CHECK-NEXT: [[TMP:%.*]] = phi i8 [ 0, [[BB:%.*]] ], [ 1, [[BB2]] ]
; CHECK-NEXT: call void @baz(i8 [[TMP]])
; CHECK-NEXT: call void @snork()
; CHECK-NEXT: call void @spam(i8 4)
; CHECK-NEXT: ret void
;
bb:
switch i64 %arg, label %bb2 [
i64 0, label %bb3
]
bb2: ; preds = %bb
call void @widget()
br label %bb3
bb3: ; preds = %bb2, %bb
%tmp = phi i8 [ 0, %bb ], [ 1, %bb2 ]
br label %bb4
bb4: ; preds = %bb3
call void @baz(i8 %tmp)
%tmp5 = select i1 %arg1, i64 6, i64 3
switch i64 %tmp5, label %bb7 [
i64 1, label %bb6
i64 0, label %bb8
]
bb6: ; preds = %bb4
call void @zot()
br label %bb8
bb7: ; preds = %bb4
call void @snork()
br label %bb8
bb8: ; preds = %bb7, %bb6, %bb4
%tmp9 = phi i8 [ 2, %bb4 ], [ 3, %bb6 ], [ 4, %bb7 ]
call void @spam(i8 %tmp9)
ret void
}
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