; RUN: opt -S -consthoist < %s | FileCheck %s target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64-unknown-linux-gnu" ; Here the masks are all contiguous, and should not be hoisted. define i32 @test1() nounwind { entry: ; CHECK-LABEL: @test1 ; CHECK-NOT: bitcast i32 65535 to i32 ; CHECK: and i32 undef, 65535 %conv121 = and i32 undef, 65535 br i1 undef, label %if.then152, label %if.end167 if.then152: ; CHECK: and i32 undef, 65535 %conv153 = and i32 undef, 65535 br i1 undef, label %if.end167, label %end2 if.end167: ; CHECK: and i32 {{.*}}, 32768 %shl161 = shl nuw nsw i32 %conv121, 15 %0 = load i8* undef, align 1 %conv169 = zext i8 %0 to i32 %shl170 = shl nuw nsw i32 %conv169, 7 %shl161.masked = and i32 %shl161, 32768 %conv174 = or i32 %shl170, %shl161.masked %cmp178 = icmp ugt i32 %conv174, 32767 br i1 %cmp178, label %end1, label %end2 end1: unreachable end2: unreachable } ; Here the masks are not contiguous, and should be hoisted. define i32 @test2() nounwind { entry: ; CHECK-LABEL: @test2 ; CHECK: bitcast i32 65531 to i32 %conv121 = and i32 undef, 65531 br i1 undef, label %if.then152, label %if.end167 if.then152: %conv153 = and i32 undef, 65531 br i1 undef, label %if.end167, label %end2 if.end167: ; CHECK: add i32 {{.*}}, -32758 %shl161 = shl nuw nsw i32 %conv121, 15 %0 = load i8* undef, align 1 %conv169 = zext i8 %0 to i32 %shl170 = shl nuw nsw i32 %conv169, 7 %shl161.masked = and i32 %shl161, 32773 %conv174 = or i32 %shl170, %shl161.masked %cmp178 = icmp ugt i32 %conv174, 32767 br i1 %cmp178, label %end1, label %end2 end1: unreachable end2: unreachable }