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comparison test/Transforms/InstCombine/strcat-1.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
16 ; CHECK-LABEL: @main( 16 ; CHECK-LABEL: @main(
17 ; CHECK-NOT: call i8* @strcat 17 ; CHECK-NOT: call i8* @strcat
18 ; CHECK: call i32 @puts 18 ; CHECK: call i32 @puts
19 19
20 %target = alloca [1024 x i8] 20 %target = alloca [1024 x i8]
21 %arg1 = getelementptr [1024 x i8]* %target, i32 0, i32 0 21 %arg1 = getelementptr [1024 x i8], [1024 x i8]* %target, i32 0, i32 0
22 store i8 0, i8* %arg1 22 store i8 0, i8* %arg1
23 23
24 ; rslt1 = strcat(target, "hello\00") 24 ; rslt1 = strcat(target, "hello\00")
25 %arg2 = getelementptr [6 x i8]* @hello, i32 0, i32 0 25 %arg2 = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0
26 %rslt1 = call i8* @strcat(i8* %arg1, i8* %arg2) 26 %rslt1 = call i8* @strcat(i8* %arg1, i8* %arg2)
27 27
28 ; rslt2 = strcat(rslt1, "\00") 28 ; rslt2 = strcat(rslt1, "\00")
29 %arg3 = getelementptr [1 x i8]* @null, i32 0, i32 0 29 %arg3 = getelementptr [1 x i8], [1 x i8]* @null, i32 0, i32 0
30 %rslt2 = call i8* @strcat(i8* %rslt1, i8* %arg3) 30 %rslt2 = call i8* @strcat(i8* %rslt1, i8* %arg3)
31 31
32 ; rslt3 = strcat(rslt2, "\00hello\00") 32 ; rslt3 = strcat(rslt2, "\00hello\00")
33 %arg4 = getelementptr [7 x i8]* @null_hello, i32 0, i32 0 33 %arg4 = getelementptr [7 x i8], [7 x i8]* @null_hello, i32 0, i32 0
34 %rslt3 = call i8* @strcat(i8* %rslt2, i8* %arg4) 34 %rslt3 = call i8* @strcat(i8* %rslt2, i8* %arg4)
35 35
36 call i32 @puts( i8* %rslt3 ) 36 call i32 @puts( i8* %rslt3 )
37 ret i32 0 37 ret i32 0
38 } 38 }