1; RUN: llc -O2 %s -o - | FileCheck %s 2target datalayout = "E-m:e-i64:64-n32:64" 3target triple = "powerpc64-unknown-linux-gnu" 4 5; Function Attrs: nounwind 6declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #0 7 8declare void @f1() 9declare void @f2() 10declare void @f3() 11declare void @f4() 12 13; Function Attrs: nounwind 14; CHECK-LABEL: tail_dup_fallthrough_with_branch 15; CHECK: # %bb.{{[0-9]+}}: # %entry 16; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 17; CHECK: # %bb.{{[0-9]+}}: # %entry 18; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 19; CHECK: # %bb.{{[0-9]+}}: # %sw.0 20; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 21; CHECK: # %sw.1 22; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 23; CHECK: # %sw.default 24; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 25; CHECK: # %bb.{{[0-9]+}}: # %if.then 26; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 27; CHECK: # %if.else 28; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}} 29; CHECK: .Lfunc_end0 30define fastcc void @tail_dup_fallthrough_with_branch(i32 %a, i1 %b) unnamed_addr #0 { 31entry: 32 switch i32 %a, label %sw.default [ 33 i32 0, label %sw.0 34 i32 1, label %sw.1 35 ] 36 37sw.0: ; preds = %entry 38 call void @f1() #0 39 br label %dup1 40 41sw.1: ; preds = %entry 42 call void @f2() #0 43 br label %dup1 44 45sw.default: ; preds = %entry 46 br i1 %b, label %if.then, label %if.else 47 48if.then: ; preds = %sw.default 49 call void @f3() #0 50 br label %dup2 51 52if.else: ; preds = %sw.default 53 call void @f4() #0 54 br label %dup2 55 56dup1: ; preds = %sw.0, %sw.1 57 call void @llvm.lifetime.end.p0(i64 8, ptr nonnull undef) #0 58 unreachable 59 60dup2: ; preds = %if.then, %if.else 61 call void @llvm.lifetime.end.p0(i64 8, ptr nonnull undef) #0 62 unreachable 63} 64 65attributes #0 = { nounwind } 66