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      1 ; RUN: opt -S -consthoist < %s | FileCheck %s
      2 target datalayout = "E-m:e-i64:64-n32:64"
      3 target triple = "powerpc64-unknown-linux-gnu"
      4 
      5 ; Here the masks are all contiguous, and should not be hoisted.
      6 define i32 @test1() nounwind {
      7 entry:
      8 ; CHECK-LABEL:  @test1
      9 ; CHECK-NOT: bitcast i32 65535 to i32
     10 ; CHECK: and i32 undef, 65535
     11   %conv121 = and i32 undef, 65535
     12   br i1 undef, label %if.then152, label %if.end167
     13 
     14 if.then152:
     15 ; CHECK: and i32 undef, 65535
     16   %conv153 = and i32 undef, 65535
     17   br i1 undef, label %if.end167, label %end2
     18 
     19 if.end167:
     20 ; CHECK: and i32 {{.*}}, 32768
     21   %shl161 = shl nuw nsw i32 %conv121, 15
     22   %0 = load i8* undef, align 1
     23   %conv169 = zext i8 %0 to i32
     24   %shl170 = shl nuw nsw i32 %conv169, 7
     25   %shl161.masked = and i32 %shl161, 32768
     26   %conv174 = or i32 %shl170, %shl161.masked
     27   %cmp178 = icmp ugt i32 %conv174, 32767
     28   br i1 %cmp178, label %end1, label %end2
     29 
     30 end1:
     31   unreachable
     32 
     33 end2:
     34   unreachable
     35 }
     36 
     37 ; Here the masks are not contiguous, and should be hoisted.
     38 define i32 @test2() nounwind {
     39 entry:
     40 ; CHECK-LABEL: @test2
     41 ; CHECK: bitcast i32 65531 to i32
     42   %conv121 = and i32 undef, 65531
     43   br i1 undef, label %if.then152, label %if.end167
     44 
     45 if.then152:
     46   %conv153 = and i32 undef, 65531
     47   br i1 undef, label %if.end167, label %end2
     48 
     49 if.end167:
     50 ; CHECK: add i32 {{.*}}, -32758
     51   %shl161 = shl nuw nsw i32 %conv121, 15
     52   %0 = load i8* undef, align 1
     53   %conv169 = zext i8 %0 to i32
     54   %shl170 = shl nuw nsw i32 %conv169, 7
     55   %shl161.masked = and i32 %shl161, 32773
     56   %conv174 = or i32 %shl170, %shl161.masked
     57   %cmp178 = icmp ugt i32 %conv174, 32767
     58   br i1 %cmp178, label %end1, label %end2
     59 
     60 end1:
     61   unreachable
     62 
     63 end2:
     64   unreachable
     65 }
     66 
     67