Evgeniy Brevnov 50f8eb05af Revert "[JT] Preserve exisiting BPI/BFI during JumpThreading"
This reverts commit 52a4018506e39f50d0c06ac5a1c987eb83b900c7.
2022-11-17 17:11:47 +07:00

23 lines
407 B
LLVM

; RUN: opt -debug-only=branch-prob -jump-threading -S %s 2>&1 | FileCheck %s
; REQUIRES: asserts
; Make sure that we clear edge probabilities for bb1 as we fold
; the conditional branch in it.
; CHECK: eraseBlock bb1
define i32 @foo() !prof !0 {
; CHECK-LABEL: @foo
bb1:
br i1 true, label %bb2, label %bb3
bb2:
ret i32 3
bb3:
; CHECK-NOT: bb3:
ret i32 7
}
!0 = !{!"function_entry_count", i64 0}