| ; RUN: opt -S -indvars < %s | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| @a = common global i32 0, align 4 |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define void @fn1() { |
| ; CHECK-LABEL: @fn1( |
| bb: |
| br label %bb4.preheader |
| |
| bb4.preheader: ; preds = %bb, %bb16 |
| ; CHECK-LABEL: bb4.preheader: |
| %b.03 = phi i8 [ 0, %bb ], [ %tmp17, %bb16 ] |
| ; CHECK: %tmp9 = icmp ugt i8 %b.03, 1 |
| ; CHECK-NOT: %tmp9 = icmp ugt i8 0, 1 |
| |
| %tmp9 = icmp ugt i8 %b.03, 1 |
| br i1 %tmp9, label %bb4.preheader.bb18.loopexit.split_crit_edge, label %bb4.preheader.bb4.preheader.split_crit_edge |
| |
| bb4.preheader.bb4.preheader.split_crit_edge: ; preds = %bb4.preheader |
| br label %bb4.preheader.split |
| |
| bb4.preheader.bb18.loopexit.split_crit_edge: ; preds = %bb4.preheader |
| store i32 0, i32* @a, align 4 |
| br label %bb18.loopexit.split |
| |
| bb4.preheader.split: ; preds = %bb4.preheader.bb4.preheader.split_crit_edge |
| br label %bb7 |
| |
| bb4: ; preds = %bb7 |
| %tmp6 = icmp slt i32 %storemerge2, 0 |
| br i1 %tmp6, label %bb7, label %bb16 |
| |
| bb7: ; preds = %bb4.preheader.split, %bb4 |
| %storemerge2 = phi i32 [ 0, %bb4.preheader.split ], [ %tmp14, %bb4 ] |
| %tmp14 = add nsw i32 %storemerge2, 1 |
| br i1 false, label %bb18.loopexit, label %bb4 |
| |
| bb16: ; preds = %bb4 |
| %tmp14.lcssa5 = phi i32 [ %tmp14, %bb4 ] |
| %tmp17 = add i8 %b.03, -1 |
| %tmp2 = icmp eq i8 %tmp17, -2 |
| br i1 %tmp2, label %bb18.loopexit1, label %bb4.preheader |
| |
| bb18.loopexit: ; preds = %bb7 |
| br label %bb18.loopexit.split |
| |
| bb18.loopexit.split: ; preds = %bb4.preheader.bb18.loopexit.split_crit_edge, %bb18.loopexit |
| br label %bb18 |
| |
| bb18.loopexit1: ; preds = %bb16 |
| %tmp14.lcssa5.lcssa = phi i32 [ %tmp14.lcssa5, %bb16 ] |
| store i32 %tmp14.lcssa5.lcssa, i32* @a, align 4 |
| br label %bb18 |
| |
| bb18: ; preds = %bb18.loopexit1, %bb18.loopexit.split |
| ret void |
| } |
| |
| declare void @abort() |
