mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 06:30:19 +00:00
d02be24cad
putchar transforms, their return values are not compatible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125442 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1013 B
LLVM
37 lines
1013 B
LLVM
; RUN: opt < %s -simplify-libcalls -S -o %t
|
|
; RUN: FileCheck < %t %s
|
|
|
|
@str = internal constant [13 x i8] c"hello world\0A\00" ; <[13 x i8]*> [#uses=1]
|
|
@str1 = internal constant [2 x i8] c"h\00" ; <[2 x i8]*> [#uses=1]
|
|
|
|
declare i32 @printf(i8*, ...)
|
|
|
|
; CHECK: define void @f0
|
|
; CHECK-NOT: printf
|
|
; CHECK: }
|
|
define void @f0() {
|
|
entry:
|
|
%tmp1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([13 x i8]* @str, i32 0, i32 0) ) ; <i32> [#uses=0]
|
|
ret void
|
|
}
|
|
|
|
; CHECK: define void @f1
|
|
; CHECK-NOT: printf
|
|
; CHECK: }
|
|
define void @f1() {
|
|
entry:
|
|
%tmp1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([2 x i8]* @str1, i32 0, i32 0) ) ; <i32> [#uses=0]
|
|
ret void
|
|
}
|
|
|
|
; Verify that we don't turn this into a putchar call (thus changing the return
|
|
; value).
|
|
;
|
|
; CHECK: define i32 @f2
|
|
; CHECK: printf
|
|
; CHECK: }
|
|
define i32 @f2() {
|
|
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([2 x i8]* @str1, i32 0, i32 0))
|
|
ret i32 %call
|
|
}
|