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| ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu
; PR1766
%struct.dentry = type { %struct.dentry_operations* }
%struct.dentry_operations = type { i32 (%struct.dentry*, %struct.qstr*)* }
%struct.qstr = type { i32, i32, i8* }
define %struct.dentry* @d_hash_and_lookup(%struct.dentry* %dir, %struct.qstr* %name) {
entry:
br i1 false, label %bb37, label %bb
bb: ; preds = %bb, %entry
%name8.0.reg2mem.0.rec = phi i64 [ %indvar.next, %bb ], [ 0, %entry ] ; <i64> [#uses=1]
%hash.0.reg2mem.0 = phi i64 [ %tmp27, %bb ], [ 0, %entry ] ; <i64> [#uses=1]
%tmp13 = load i8, i8* null, align 1 ; <i8> [#uses=1]
%tmp1314 = zext i8 %tmp13 to i64 ; <i64> [#uses=1]
%tmp25 = lshr i64 %tmp1314, 4 ; <i64> [#uses=1]
%tmp22 = add i64 %tmp25, %hash.0.reg2mem.0 ; <i64> [#uses=1]
%tmp26 = add i64 %tmp22, 0 ; <i64> [#uses=1]
%tmp27 = mul i64 %tmp26, 11 ; <i64> [#uses=2]
%indvar.next = add i64 %name8.0.reg2mem.0.rec, 1 ; <i64> [#uses=2]
%exitcond = icmp eq i64 %indvar.next, 0 ; <i1> [#uses=1]
br i1 %exitcond, label %bb37.loopexit, label %bb
bb37.loopexit: ; preds = %bb
%phitmp = trunc i64 %tmp27 to i32 ; <i32> [#uses=1]
br label %bb37
bb37: ; preds = %bb37.loopexit, %entry
%hash.0.reg2mem.1 = phi i32 [ %phitmp, %bb37.loopexit ], [ 0, %entry ] ; <i32> [#uses=1]
store i32 %hash.0.reg2mem.1, i32* null, align 8
%tmp75 = tail call i32 null( %struct.dentry* %dir, %struct.qstr* %name ) ; <i32> [#uses=0]
%tmp84 = tail call i32 (...) @d_lookup( %struct.dentry* %dir, %struct.qstr* %name ) ; <i32> [#uses=0]
ret %struct.dentry* null
}
declare i32 @d_lookup(...)
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