llvm-6502/test/Transforms/LoopIndexSplit/UpperBound-2007-08-24.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

53 lines
2.0 KiB
LLVM

; Split loop. Split value is a constant and greater then exit value.
; Check whether optimizer inserts proper checkfor split value or not.
; RUN: opt < %s -loop-index-split -S | grep select
@k = external global i32 ; <i32*> [#uses=2]
define void @foobar(i32 %a, i32 %b) {
entry:
br label %bb
bb: ; preds = %cond_next16, %entry
%i.01.0 = phi i32 [ 0, %entry ], [ %tmp18, %cond_next16 ] ; <i32> [#uses=5]
%tsum.18.0 = phi i32 [ 42, %entry ], [ %tsum.013.1, %cond_next16 ] ; <i32> [#uses=3]
%tmp1 = icmp slt i32 %i.01.0, 500 ; <i1> [#uses=1]
br i1 %tmp1, label %cond_true, label %cond_false
cond_true: ; preds = %bb
%tmp4 = tail call i32 @foo( i32 %i.01.0 ) ; <i32> [#uses=1]
%tmp6 = add i32 %tmp4, %tsum.18.0 ; <i32> [#uses=2]
%tmp914 = load i32* @k, align 4 ; <i32> [#uses=1]
%tmp1015 = icmp eq i32 %tmp914, 0 ; <i1> [#uses=1]
br i1 %tmp1015, label %cond_next16, label %cond_true13
cond_false: ; preds = %bb
%tmp8 = tail call i32 @bar( i32 %i.01.0 ) ; <i32> [#uses=0]
%tmp9 = load i32* @k, align 4 ; <i32> [#uses=1]
%tmp10 = icmp eq i32 %tmp9, 0 ; <i1> [#uses=1]
br i1 %tmp10, label %cond_next16, label %cond_true13
cond_true13: ; preds = %cond_false, %cond_true
%tsum.013.0 = phi i32 [ %tmp6, %cond_true ], [ %tsum.18.0, %cond_false ] ; <i32> [#uses=1]
%tmp15 = tail call i32 @bar( i32 %i.01.0 ) ; <i32> [#uses=0]
br label %cond_next16
cond_next16: ; preds = %cond_false, %cond_true, %cond_true13
%tsum.013.1 = phi i32 [ %tsum.013.0, %cond_true13 ], [ %tmp6, %cond_true ], [ %tsum.18.0, %cond_false ] ; <i32> [#uses=2]
%tmp18 = add i32 %i.01.0, 1 ; <i32> [#uses=3]
%tmp21 = icmp slt i32 %tmp18, 100 ; <i1> [#uses=1]
br i1 %tmp21, label %bb, label %bb24
bb24: ; preds = %cond_next16
%tmp18.lcssa = phi i32 [ %tmp18, %cond_next16 ] ; <i32> [#uses=1]
%tsum.013.1.lcssa = phi i32 [ %tsum.013.1, %cond_next16 ] ; <i32> [#uses=1]
%tmp27 = tail call i32 @t( i32 %tmp18.lcssa, i32 %tsum.013.1.lcssa ) ; <i32> [#uses=0]
ret void
}
declare i32 @foo(i32)
declare i32 @bar(i32)
declare i32 @t(i32, i32)