;; Date: May 28, 2003. ;; From: test/Programs/MultiSource/Olden-perimeter/maketree.c ;; Function: int CheckOutside(int x, int y) ;; ;; Note: The .ll code below for this regression test has identical ;; behavior to the above function up to the error, but then prints ;; true/false on the two branches. ;; ;; Error: llc generates a branch-on-xcc instead of branch-on-icc, which ;; is wrong because the value being compared (int euclid = x*x + y*y) ;; overflows, so that the 64-bit and 32-bit compares are not equal. ;; ;; LLC Output: ;; ;; !****** Outputing Function: CheckOutside_34 ****** ;; .align 4 ;; .global CheckOutside_34 ;; .type CheckOutside_34, 2 ;; CheckOutside_34: ;; .L_CheckOutside_34_LL_0: ;; save %o6, -192, %o6 ;; mulx %i1, %i1, %i1 ;; mulx %i0, %i0, %i0 ;; sethi %lm(4194304), %o1 ;; or %g0, 1, %o0 ;; add %i0, %i1, %i0 ;; sra %o1, 0, %o1 ;; subcc %i0, %o1, %g0 ;; bg %xcc, .L_CheckOutside_34_LL_3 ;; nop ;; ba .L_CheckOutside_34_LL_1 ;; nop ;; ... ;; ;; target endian = little target pointersize = 32 %.str_1 = internal constant [6 x sbyte] c"true\0A\00" ; <[6 x sbyte]*> [#uses=1] %.str_2 = internal constant [7 x sbyte] c"false\0A\00" ; <[7 x sbyte]*> [#uses=1] implementation ; Functions: declare int %printf(sbyte*, ...) internal void %__main() { entry: ; No predecessors! ret void } internal void %CheckOutside(int %x.1, int %y.1) { entry: ; No predecessors! %tmp.2 = mul int %x.1, %x.1 ; [#uses=1] %tmp.5 = mul int %y.1, %y.1 ; [#uses=1] %tmp.6 = add int %tmp.2, %tmp.5 ; [#uses=1] %tmp.8 = setle int %tmp.6, 4194304 ; [#uses=1] br bool %tmp.8, label %then, label %else then: ; preds = %entry %tmp.11 = call int (sbyte*, ...)* %printf( sbyte* getelementptr ([6 x sbyte]* %.str_1, long 0, long 0) ) ; [#uses=0] br label %UnifiedExitNode else: ; preds = %entry %tmp.13 = call int (sbyte*, ...)* %printf( sbyte* getelementptr ([7 x sbyte]* %.str_2, long 0, long 0) ) ; [#uses=0] br label %UnifiedExitNode UnifiedExitNode: ; preds = %then, %else ret void } int %main() { entry: ; No predecessors! call void %__main( ) call void %CheckOutside( int 2097152, int 2097152 ) ret int 0 }