llvm-6502/test/Analysis/ScalarEvolution/2009-01-02-SignedNegativeStride.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

41 lines
998 B
LLVM

; RUN: opt < %s -analyze -scalar-evolution -disable-output | not grep {/u -1}
; PR3275
@g_16 = external global i16 ; <i16*> [#uses=3]
@.str = external constant [4 x i8] ; <[4 x i8]*> [#uses=0]
define void @func_15() nounwind {
entry:
%0 = load i16* @g_16, align 2 ; <i16> [#uses=1]
%1 = icmp sgt i16 %0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb2, label %bb.nph
bb.nph: ; preds = %entry
%g_16.promoted = load i16* @g_16 ; <i16> [#uses=1]
br label %bb
bb: ; preds = %bb1, %bb.nph
%g_16.tmp.0 = phi i16 [ %g_16.promoted, %bb.nph ], [ %2, %bb1 ] ; <i16> [#uses=1]
%2 = add i16 %g_16.tmp.0, -1 ; <i16> [#uses=3]
br label %bb1
bb1: ; preds = %bb
%3 = icmp sgt i16 %2, 0 ; <i1> [#uses=1]
br i1 %3, label %bb1.bb2_crit_edge, label %bb
bb1.bb2_crit_edge: ; preds = %bb1
store i16 %2, i16* @g_16
br label %bb2
bb2: ; preds = %bb1.bb2_crit_edge, %entry
br label %return
return: ; preds = %bb2
ret void
}
declare i32 @main() nounwind
declare i32 @printf(i8*, ...) nounwind