1 ; RUN: llvm-as < %s | llc
3 ; Test that a negative constant smaller than 64 bits (e.g., int)
4 ; is correctly implemented with sign-extension.
5 ; In particular, the current code generated is:
10 ; setx .G_fmtArg_1, %o1, %o0
11 ; setuw 1, %o1 ! i = 1
12 ; setuw 4294967295, %o3 ! THE BUG: 0x00000000ffffffff
14 ; add %i6, 1999, %o2 ! fval
17 ; mulx %o1, %o3, %o1 ! ERROR: 0xffffffff; should be -1
18 ; add %o1, 3, %o1 ! ERROR: 0x100000002; should be 0x2
20 ; add %o2, %o3, %o3 ! produces bad address!
27 ; ioff = 2 fval = 0xffffffff7fffec90 &fval[2] = 0xb7fffeca8
29 ; ioff = 2 fval = 0xffffffff7fffec90 &fval[2] = 0xffffffff7fffeca8
31 %Results = type { float, float, float }
32 @fmtArg = internal global [39 x i8] c"ioff = %u\09fval = 0x%p\09&fval[2] = 0x%p\0A\00" ; <[39 x i8]*> [#uses=1]
34 declare i32 @printf(i8*, ...)
37 %fval = alloca %Results, i32 4 ; <%Results*> [#uses=2]
38 %i = add i32 1, 0 ; <i32> [#uses=1]
39 %iscale = mul i32 %i, -1 ; <i32> [#uses=1]
40 %ioff = add i32 %iscale, 3 ; <i32> [#uses=2]
41 %ioff.upgrd.1 = zext i32 %ioff to i64 ; <i64> [#uses=1]
42 %fptr = getelementptr %Results* %fval, i64 %ioff.upgrd.1 ; <%Results*> [#uses=1]
43 %castFmt = getelementptr [39 x i8]* @fmtArg, i64 0, i64 0 ; <i8*> [#uses=1]
44 call i32 (i8*, ...)* @printf( i8* %castFmt, i32 %ioff, %Results* %fval, %Results* %fptr ) ; <i32>:1 [#uses=0]