2010-09-30 00:58:35 +00:00
|
|
|
; RUN: opt < %s -simplify-libcalls -S | FileCheck %s
|
|
|
|
|
|
|
|
|
|
target datalayout = "-p:64:64:64"
|
|
|
|
|
|
|
|
|
|
@abcba = constant [6 x i8] c"abcba\00"
|
|
|
|
|
@abc = constant [4 x i8] c"abc\00"
|
|
|
|
|
@null = constant [1 x i8] zeroinitializer
|
|
|
|
|
|
|
|
|
|
declare i64 @strspn(i8*, i8*)
|
|
|
|
|
|
|
|
|
|
define i64 @testspn(i8* %s1, i8* %s2) {
|
|
|
|
|
%abcba_p = getelementptr [6 x i8]* @abcba, i32 0, i32 0
|
|
|
|
|
%abc_p = getelementptr [4 x i8]* @abc, i32 0, i32 0
|
|
|
|
|
%null_p = getelementptr [1 x i8]* @null, i32 0, i32 0
|
|
|
|
|
%test1 = call i64 @strspn(i8* %s1, i8* %null_p)
|
|
|
|
|
%test2 = call i64 @strspn(i8* %null_p, i8* %s2)
|
|
|
|
|
%test3 = call i64 @strspn(i8* %abcba_p, i8* %abc_p)
|
|
|
|
|
; CHECK-NOT: call i64 @strspn
|
|
|
|
|
%test4 = call i64 @strspn(i8* %s1, i8* %s2)
|
|
|
|
|
; CHECK: call i64 @strspn(i8* %s1, i8* %s2)
|
|
|
|
|
ret i64 %test3
|
2010-11-29 22:34:55 +00:00
|
|
|
; CHECK: ret i64 5
|
2010-09-30 00:58:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
declare i64 @strcspn(i8*, i8*)
|
|
|
|
|
|
|
|
|
|
define i64 @testcspn(i8* %s1, i8* %s2) {
|
|
|
|
|
%abcba_p = getelementptr [6 x i8]* @abcba, i32 0, i32 0
|
|
|
|
|
%abc_p = getelementptr [4 x i8]* @abc, i32 0, i32 0
|
|
|
|
|
%null_p = getelementptr [1 x i8]* @null, i32 0, i32 0
|
|
|
|
|
%test1 = call i64 @strcspn(i8* %s1, i8* %null_p)
|
|
|
|
|
; CHECK: call i64 @strlen(i8* %s1)
|
|
|
|
|
%test2 = call i64 @strcspn(i8* %null_p, i8* %s2)
|
|
|
|
|
%test3 = call i64 @strcspn(i8* %abcba_p, i8* %abc_p)
|
|
|
|
|
; CHECK-NOT: call i64 @strcspn
|
|
|
|
|
%test4 = call i64 @strcspn(i8* %s1, i8* %s2)
|
|
|
|
|
; CHECK: call i64 @strcspn(i8* %s1, i8* %s2)
|
|
|
|
|
%add0 = add i64 %test1, %test3
|
|
|
|
|
; CHECK: add i64 %{{.+}}, 0
|
|
|
|
|
ret i64 %add0
|
|
|
|
|
}
|
