mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-03 14:21:30 +00:00
2189a76024
merged. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11796 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
972 B
LLVM
47 lines
972 B
LLVM
; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | grep switch | wc -l | grep 1
|
|
|
|
; Test that a switch going to a switch on the same value can be merged. All
|
|
; three switches in this example can be merged into one big one.
|
|
|
|
declare void %foo1()
|
|
declare void %foo2()
|
|
declare void %foo3()
|
|
declare void %foo4()
|
|
|
|
void %test1(uint %V) {
|
|
switch uint %V, label %F [
|
|
uint 4, label %T
|
|
uint 17, label %T
|
|
uint 5, label %T
|
|
uint 1234, label %F
|
|
]
|
|
|
|
T:
|
|
switch uint %V, label %F [
|
|
uint 4, label %A
|
|
uint 17, label %B
|
|
uint 42, label %C
|
|
]
|
|
A:
|
|
call void %foo1()
|
|
ret void
|
|
|
|
B:
|
|
call void %foo2()
|
|
ret void
|
|
C:
|
|
call void %foo3()
|
|
ret void
|
|
|
|
F:
|
|
switch uint %V, label %F [
|
|
uint 4, label %B
|
|
uint 18, label %B
|
|
uint 42, label %D
|
|
]
|
|
D:
|
|
call void %foo4()
|
|
ret void
|
|
}
|
|
|