mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
9aafdcf20d
Upgrade to use new Tcl exec based test harness. This exposes 3 bugs that were previously not being reported: test/Transforms/GlobalDCE/2002-08-17-FunctionDGE.ll test/Transforms/GlobalOpt/memset.ll test/Transforms/IndVarsSimplify/exit_value_tests.llx git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36065 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.2 KiB
LLVM
62 lines
1.2 KiB
LLVM
; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \
|
|
; RUN: not grep switch
|
|
|
|
int %test1() { ; Test normal folding
|
|
switch uint 5, label %Default [
|
|
uint 0, label %Foo
|
|
uint 1, label %Bar
|
|
uint 2, label %Baz
|
|
uint 5, label %TheDest
|
|
]
|
|
Default:ret int -1
|
|
Foo: ret int -2
|
|
Bar: ret int -3
|
|
Baz: ret int -4
|
|
TheDest:ret int 1234
|
|
}
|
|
|
|
int %test2() { ; Test folding to default dest
|
|
switch uint 3, label %Default [
|
|
uint 0, label %Foo
|
|
uint 1, label %Bar
|
|
uint 2, label %Baz
|
|
uint 5, label %TheDest
|
|
]
|
|
Default:ret int 1234
|
|
Foo: ret int -2
|
|
Bar: ret int -5
|
|
Baz: ret int -6
|
|
TheDest:ret int -8
|
|
}
|
|
|
|
int %test3(bool %C) { ; Test folding all to same dest
|
|
br bool %C, label %Start, label %TheDest
|
|
Start:
|
|
switch uint 3, label %TheDest [
|
|
uint 0, label %TheDest
|
|
uint 1, label %TheDest
|
|
uint 2, label %TheDest
|
|
uint 5, label %TheDest
|
|
]
|
|
TheDest: ret int 1234
|
|
}
|
|
|
|
int %test4(uint %C) { ; Test folding switch -> branch
|
|
switch uint %C, label %L1 [
|
|
uint 0, label %L2
|
|
]
|
|
L1: ret int 0
|
|
L2: ret int 1
|
|
}
|
|
|
|
int %test5(uint %C) {
|
|
switch uint %C, label %L1 [ ; Can fold into a cond branch!
|
|
uint 0, label %L2
|
|
uint 123, label %L1
|
|
]
|
|
L1: ret int 0
|
|
L2: ret int 1
|
|
}
|
|
|
|
|