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| ; 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()
|