hg: jdk/submit: 8201447: C1 does backedge profiling incorrectly

[igor.veresov at oracle.com]

Changeset: 9010b580d8a9
Author:    iveresov
Date:      2018-05-16 15:19 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/9010b580d8a9

8201447: C1 does backedge profiling incorrectly
Summary: Increment backedge counter only for backward arms of conditional branches.
Reviewed-by: never, kvn

! src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
! src/hotspot/cpu/arm/c1_LIRGenerator_arm.cpp
! src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp
! src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp
! src/hotspot/cpu/sparc/c1_LIRGenerator_sparc.cpp
! src/hotspot/cpu/x86/c1_LIRGenerator_x86.cpp
! src/hotspot/share/c1/c1_Canonicalizer.cpp
! src/hotspot/share/c1/c1_LIRGenerator.cpp
! src/hotspot/share/c1/c1_LIRGenerator.hpp