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llvm-mirror/test/CodeGen/Generic/2003-07-06-BadIntCmp.ll
2009-09-09 00:09:15 +00:00

52 lines
1.8 KiB
LLVM

; RUN: llc < %s
;; 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.
@.str_1 = internal constant [6 x i8] c"true\0A\00" ; <[6 x i8]*> [#uses=1]
@.str_2 = internal constant [7 x i8] c"false\0A\00" ; <[7 x i8]*> [#uses=1]
declare i32 @printf(i8*, ...)
define internal void @__main() {
entry:
ret void
}
define internal void @CheckOutside(i32 %x.1, i32 %y.1) {
entry:
%tmp.2 = mul i32 %x.1, %x.1 ; <i32> [#uses=1]
%tmp.5 = mul i32 %y.1, %y.1 ; <i32> [#uses=1]
%tmp.6 = add i32 %tmp.2, %tmp.5 ; <i32> [#uses=1]
%tmp.8 = icmp sle i32 %tmp.6, 4194304 ; <i1> [#uses=1]
br i1 %tmp.8, label %then, label %else
then: ; preds = %entry
%tmp.11 = call i32 (i8*, ...)* @printf( i8* getelementptr ([6 x i8]* @.str_1, i64 0, i64 0) ) ; <i32> [#uses=0]
br label %UnifiedExitNode
else: ; preds = %entry
%tmp.13 = call i32 (i8*, ...)* @printf( i8* getelementptr ([7 x i8]* @.str_2, i64 0, i64 0) ) ; <i32> [#uses=0]
br label %UnifiedExitNode
UnifiedExitNode: ; preds = %else, %then
ret void
}
define i32 @main() {
entry:
call void @__main( )
call void @CheckOutside( i32 2097152, i32 2097152 )
ret i32 0
}