forked from OSchip/llvm-project
64 lines
2.2 KiB
LLVM
64 lines
2.2 KiB
LLVM
|
; 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()
|