1 ; RUN: opt < %s -loop-unswitch -disable-output
2 ; RUN: opt < %s -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 @a = common global i32 0, align 4
8 @c = common global i32 0, align 4
9 @b = common global i32 0, align 4
11 define void @func() noreturn nounwind uwtable {
13 %0 = load i32, i32* @a, align 4
14 %tobool = icmp eq i32 %0, 0
15 %1 = load i32, i32* @b, align 4
18 while.body: ; preds = %while.body, %entry
19 %d.0 = phi i8 [ undef, %entry ], [ %conv2, %while.body ]
20 %conv = sext i8 %d.0 to i32
21 %cond = select i1 %tobool, i32 0, i32 %conv
22 %conv11 = zext i8 %d.0 to i32
23 %add = add i32 %1, %conv11
24 %conv2 = trunc i32 %add to i8