1 ; RUN: opt < %s -simplifycfg -sink-common-insts -S | FileCheck %s 2 3 define i1 @test1(i1 zeroext %flag, i8* %y) #0 { 4 entry: 5 br i1 %flag, label %if.then, label %if.else 6 7 if.then: 8 %r = call i1 @llvm.type.test(i8* %y, metadata !0) 9 br label %if.end 10 11 if.else: 12 %s = call i1 @llvm.type.test(i8* %y, metadata !1) 13 br label %if.end 14 15 if.end: 16 %t = phi i1 [ %s, %if.else ], [ %r, %if.then ] 17 ret i1 %t 18 } 19 20 !0 = !{i32 0, !"typeid1"} 21 !1 = !{i32 4, !"typeid1"} 22 23 declare i1 @llvm.type.test(i8* %ptr, metadata %bitset) nounwind readnone 24 25 ; CHECK-LABEL: test1 26 ; CHECK: @llvm.type.test 27 ; CHECK: @llvm.type.test 28 ; CHECK: ret i1 29 30 define i1 @test2(i1 zeroext %flag, i8* %y, i8* %z) #0 { 31 entry: 32 br i1 %flag, label %if.then, label %if.else 33 34 if.then: 35 %r = call i1 @llvm.type.test(i8* %y, metadata !0) 36 br label %if.end 37 38 if.else: 39 %s = call i1 @llvm.type.test(i8* %z, metadata !0) 40 br label %if.end 41 42 if.end: 43 %t = phi i1 [ %s, %if.else ], [ %r, %if.then ] 44 ret i1 %t 45 } 46 47 ; CHECK-LABEL: test2 48 ; CHECK: %[[S:[a-z0-9.]+]] = select i1 %flag, i8* %y, i8* %z 49 ; CHECK: %[[R:[a-z0-9.]+]] = call i1 @llvm.type.test(i8* %[[S]], metadata !0) 50 ; CHECK: ret i1 %[[R]] 51 52
