diff --git a/test/CodeGen/Generic/2003-07-06-BadIntCmp.ll b/test/CodeGen/Generic/2003-07-06-BadIntCmp.ll new file mode 100644 index 00000000000..65944464588 --- /dev/null +++ b/test/CodeGen/Generic/2003-07-06-BadIntCmp.ll @@ -0,0 +1,77 @@ +;; 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 +} diff --git a/test/LLC/2003-07-06-BadIntCmp.ll b/test/LLC/2003-07-06-BadIntCmp.ll new file mode 100644 index 00000000000..65944464588 --- /dev/null +++ b/test/LLC/2003-07-06-BadIntCmp.ll @@ -0,0 +1,77 @@ +;; 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 +}