llvm/test/Transforms/LoopIndexSplit/2008-09-17-IVUse.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

79 lines
2.6 KiB
LLVM

; RUN: opt < %s -loop-index-split -stats -disable-output | not grep "loop-index-split"
; PR 2791
@g_40 = common global i32 0 ; <i32*> [#uses=1]
@g_192 = common global i32 0 ; <i32*> [#uses=2]
@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
define void @func_29() nounwind {
entry:
%0 = load i32* @g_40, align 4 ; <i32> [#uses=1]
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
%g_192.promoted = load i32* @g_192 ; <i32> [#uses=0]
br i1 %1, label %entry.split.us, label %entry.split
entry.split.us: ; preds = %entry
br label %bb.us
bb.us: ; preds = %bb5.us, %entry.split.us
%i.0.reg2mem.0.us = phi i32 [ 0, %entry.split.us ], [ %3, %bb5.us ] ; <i32> [#uses=2]
%2 = icmp eq i32 %i.0.reg2mem.0.us, 0 ; <i1> [#uses=1]
br i1 %2, label %bb1.us, label %bb5.us
bb5.us: ; preds = %bb1.us, %bb4.us, %bb.us
%iftmp.0.0.us = phi i32 [ 0, %bb4.us ], [ 1, %bb.us ], [ 1, %bb1.us ] ; <i32> [#uses=1]
%3 = add i32 %i.0.reg2mem.0.us, 1 ; <i32> [#uses=3]
%4 = icmp ult i32 %3, 10 ; <i1> [#uses=1]
br i1 %4, label %bb.us, label %bb8.us
bb4.us: ; preds = %bb1.us
br label %bb5.us
bb1.us: ; preds = %bb.us
br i1 true, label %bb4.us, label %bb5.us
bb8.us: ; preds = %bb5.us
%iftmp.0.0.lcssa.us = phi i32 [ %iftmp.0.0.us, %bb5.us ] ; <i32> [#uses=1]
%.lcssa.us = phi i32 [ %3, %bb5.us ] ; <i32> [#uses=1]
br label %bb8.split
entry.split: ; preds = %entry
br label %bb
bb: ; preds = %bb5, %entry.split
%i.0.reg2mem.0 = phi i32 [ 0, %entry.split ], [ %6, %bb5 ] ; <i32> [#uses=2]
%5 = icmp eq i32 %i.0.reg2mem.0, 0 ; <i1> [#uses=1]
br i1 %5, label %bb1, label %bb5
bb1: ; preds = %bb
br i1 false, label %bb4, label %bb5
bb4: ; preds = %bb1
br label %bb5
bb5: ; preds = %bb1, %bb, %bb4
%iftmp.0.0 = phi i32 [ 0, %bb4 ], [ 1, %bb ], [ 1, %bb1 ] ; <i32> [#uses=1]
%6 = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=3]
%7 = icmp ult i32 %6, 10 ; <i1> [#uses=1]
br i1 %7, label %bb, label %bb8
bb8: ; preds = %bb5
%iftmp.0.0.lcssa = phi i32 [ %iftmp.0.0, %bb5 ] ; <i32> [#uses=1]
%.lcssa = phi i32 [ %6, %bb5 ] ; <i32> [#uses=1]
br label %bb8.split
bb8.split: ; preds = %bb8.us, %bb8
%iftmp.0.0.lcssa.us-lcssa = phi i32 [ %iftmp.0.0.lcssa, %bb8 ], [ %iftmp.0.0.lcssa.us, %bb8.us ] ; <i32> [#uses=1]
%.lcssa.us-lcssa = phi i32 [ %.lcssa, %bb8 ], [ %.lcssa.us, %bb8.us ] ; <i32> [#uses=1]
store i32 %iftmp.0.0.lcssa.us-lcssa, i32* @g_192
%8 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %.lcssa.us-lcssa ) nounwind ; <i32> [#uses=0]
ret void
}
declare i32 @printf(i8*, ...) nounwind
define i32 @main() nounwind {
entry:
call void @func_29( ) nounwind
ret i32 0
}