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; 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
; CHECK: ret i64 5
}
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
}
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