llvm-6502/test/Transforms/LoopUnswitch/2011-06-02-CritSwitch.ll
Benjamin Kramer e7381cc99c Fix tests that didn't test anything.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164686 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26 09:51:39 +00:00

29 lines
832 B
LLVM

; RUN: opt -loop-unswitch -disable-output < %s
; PR10031
define i32 @test(i32 %command) {
entry:
br label %tailrecurse
tailrecurse: ; preds = %if.then14, %tailrecurse, %entry
br i1 undef, label %if.then, label %tailrecurse
if.then: ; preds = %tailrecurse
switch i32 %command, label %sw.bb [
i32 2, label %land.lhs.true
i32 0, label %land.lhs.true
]
land.lhs.true: ; preds = %if.then, %if.then
br i1 undef, label %sw.bb, label %if.then14
if.then14: ; preds = %land.lhs.true
switch i32 %command, label %tailrecurse [
i32 0, label %sw.bb
i32 1, label %sw.bb
]
sw.bb: ; preds = %if.then14
unreachable
}