1; RUN: llc < %s 2 3target 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" 4target triple = "s390x-ibm-linux" 5 6define void @compdecomp(i8* nocapture %data, i64 %data_len) nounwind { 7entry: 8 br label %for.body38 9 10for.body38: ; preds = %for.body38, %entry 11 br i1 undef, label %for.cond220, label %for.body38 12 13for.cond220: ; preds = %for.cond220, %for.body38 14 br i1 false, label %for.cond220, label %for.end297 15 16for.end297: ; preds = %for.cond220 17 %tmp334 = load i8* undef ; <i8> [#uses=1] 18 %conv343 = zext i8 %tmp334 to i32 ; <i32> [#uses=1] 19 %sub344 = add i32 %conv343, -1 ; <i32> [#uses=1] 20 %shl345 = shl i32 1, %sub344 ; <i32> [#uses=1] 21 %conv346 = sext i32 %shl345 to i64 ; <i64> [#uses=1] 22 br label %for.body356 23 24for.body356: ; preds = %for.body356, %for.end297 25 %mask.1633 = phi i64 [ %conv346, %for.end297 ], [ undef, %for.body356 ] ; <i64> [#uses=0] 26 br label %for.body356 27} 28