1; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=-1 -pass-remarks=hotcoldsplit -enable-cold-section=true -S < %s 2>&1 | FileCheck %s 2; RUN: opt -passes=hotcoldsplit -hotcoldsplit-threshold=-1 -pass-remarks=hotcoldsplit -enable-cold-section=true -S < %s 2>&1 | FileCheck %s 3 4; This test case is copied over from split-cold-2.ll, modified 5; to test the `-enable-cold-section` parameter in opt. 6; Make sure this compiles. This test used to fail with an invalid phi node: the 7; two predecessors were outlined and the SSA representation was invalid. 8 9; CHECK: remark: <unknown>:0:0: fun split cold code into fun.cold.1 10; CHECK-LABEL: @fun 11; CHECK: codeRepl: 12; CHECK-NEXT: call void @fun.cold.1 13 14; CHECK: define {{.*}}@fun.cold.1{{.*}} [[cold_attr:#[0-9]+]] section "__llvm_cold" 15; CHECK: attributes [[cold_attr]] = { {{.*}}noreturn 16 17define void @fun() { 18entry: 19 br i1 undef, label %if.then, label %if.else 20 21if.then: 22 ret void 23 24if.else: 25 br label %if.then4 26 27if.then4: 28 br i1 undef, label %if.then5, label %if.end 29 30if.then5: 31 br label %cleanup 32 33if.end: 34 br label %cleanup 35 36cleanup: 37 %cleanup.dest.slot.0 = phi i32 [ 1, %if.then5 ], [ 0, %if.end ] 38 unreachable 39} 40