| ; RUN: llvm-as < %s | opt -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 |
| } |