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; RUN: llc < %s
target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
target triple = "s390x-ibm-linux"
define void @compdecomp(i8* nocapture %data, i64 %data_len) nounwind {
entry:
br label %for.body38
for.body38: ; preds = %for.body38, %entry
br i1 undef, label %for.cond220, label %for.body38
for.cond220: ; preds = %for.cond220, %for.body38
br i1 false, label %for.cond220, label %for.end297
for.end297: ; preds = %for.cond220
%tmp334 = load i8* undef ; <i8> [#uses=1]
%conv343 = zext i8 %tmp334 to i32 ; <i32> [#uses=1]
%sub344 = add i32 %conv343, -1 ; <i32> [#uses=1]
%shl345 = shl i32 1, %sub344 ; <i32> [#uses=1]
%conv346 = sext i32 %shl345 to i64 ; <i64> [#uses=1]
br label %for.body356
for.body356: ; preds = %for.body356, %for.end297
%mask.1633 = phi i64 [ %conv346, %for.end297 ], [ undef, %for.body356 ] ; <i64> [#uses=0]
br label %for.body356
}
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