mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
06f25cfb33
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115091 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
773 B
LLVM
24 lines
773 B
LLVM
; Test that the StrRChrOptimizer works correctly
|
|
; RUN: opt < %s -simplify-libcalls -S | FileCheck %s
|
|
|
|
target datalayout = "-p:64:64:64"
|
|
|
|
@hello = constant [14 x i8] c"hello world\5Cn\00"
|
|
@null = constant [1 x i8] zeroinitializer
|
|
|
|
declare i8* @strrchr(i8*, i32)
|
|
|
|
define void @foo(i8* %bar) {
|
|
%hello_p = getelementptr [14 x i8]* @hello, i32 0, i32 0
|
|
%null_p = getelementptr [1 x i8]* @null, i32 0, i32 0
|
|
%world = call i8* @strrchr(i8* %hello_p, i32 119)
|
|
; CHECK: getelementptr i8* %hello_p, i64 6
|
|
%ignore = call i8* @strrchr(i8* %null_p, i32 119)
|
|
; CHECK-NOT: call i8* strrchr
|
|
%null = call i8* @strrchr(i8* %hello_p, i32 0)
|
|
; CHECK: getelementptr i8* %hello_p, i64 13
|
|
%strchr = call i8* @strrchr(i8* %bar, i32 0)
|
|
; CHECK: call i8* @strchr(i8* %bar, i32 0)
|
|
ret void
|
|
}
|