1 ; RUN: opt < %s -simplify-libcalls -S | FileCheck %s 2 3 target datalayout = "-p:64:64:64" 4 5 @abcba = constant [6 x i8] c"abcba\00" 6 @abc = constant [4 x i8] c"abc\00" 7 @null = constant [1 x i8] zeroinitializer 8 9 declare i64 @strspn(i8*, i8*) 10 11 define i64 @testspn(i8* %s1, i8* %s2) { 12 %abcba_p = getelementptr [6 x i8]* @abcba, i32 0, i32 0 13 %abc_p = getelementptr [4 x i8]* @abc, i32 0, i32 0 14 %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 15 %test1 = call i64 @strspn(i8* %s1, i8* %null_p) 16 %test2 = call i64 @strspn(i8* %null_p, i8* %s2) 17 %test3 = call i64 @strspn(i8* %abcba_p, i8* %abc_p) 18 ; CHECK-NOT: call i64 @strspn 19 %test4 = call i64 @strspn(i8* %s1, i8* %s2) 20 ; CHECK: call i64 @strspn(i8* %s1, i8* %s2) 21 ret i64 %test3 22 ; CHECK: ret i64 5 23 } 24 25 declare i64 @strcspn(i8*, i8*) 26 27 define i64 @testcspn(i8* %s1, i8* %s2) { 28 %abcba_p = getelementptr [6 x i8]* @abcba, i32 0, i32 0 29 %abc_p = getelementptr [4 x i8]* @abc, i32 0, i32 0 30 %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 31 %test1 = call i64 @strcspn(i8* %s1, i8* %null_p) 32 ; CHECK: call i64 @strlen(i8* %s1) 33 %test2 = call i64 @strcspn(i8* %null_p, i8* %s2) 34 %test3 = call i64 @strcspn(i8* %abcba_p, i8* %abc_p) 35 ; CHECK-NOT: call i64 @strcspn 36 %test4 = call i64 @strcspn(i8* %s1, i8* %s2) 37 ; CHECK: call i64 @strcspn(i8* %s1, i8* %s2) 38 %add0 = add i64 %test1, %test3 39 ; CHECK: add i64 %{{.+}}, 0 40 ret i64 %add0 41 } 42
