1; RUN: opt -passes=pgo-instr-gen -S 2>&1 < %s | FileCheck %s 2; 3; RUN: llvm-profdata merge %S/Inputs/callbr.proftext -o %t.profdata 4; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 5 6 7define i32 @a() { 8entry: 9; CHECK-NOT: ptrtoint ptr asm sideeffect 10; CHECK: callbr void asm sideeffect 11 %retval = alloca i32, align 4 12 callbr void asm sideeffect "", "!i,~{dirflag},~{fpsr},~{flags}"() #1 13 to label %asm.fallthrough [label %b] 14 15asm.fallthrough: 16 br label %b 17 18b: 19 %0 = load i32, ptr %retval, align 4 20 ret i32 %0 21} 22; USE-LABEL: @a 23; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]] 24; USE: callbr void asm sideeffect 25; USE: to label 26; USE-SAME: !prof ![[BW_CALLBR:[0-9]+]] 27; USE ![[BW_ENTRY]] = !{!"function_entry_count", i64 100} 28; USE ![[BW_CALLBR]] = !{!"branch_weights", i32 80, i32 20} 29 30