[RISCV] Add ELFObjectFileBase::getRISCVFeatures let llvm-objdump could get RISCV target feature

llvm-objdump could get C feature by ELF::EF_RISCV_RVC e_flag,
so then we don't have to add -mattr=+c on the command line.

Differential Revision: https://reviews.llvm.org/D42629

llvm-svn: 324058

8 files changed, 9 insertions, 9 deletions

diff --git a/llvm/test/MC/RISCV/cnop.s b/llvm/test/MC/RISCV/cnop.s
index 8d526263724..ff2acee8868 100644
--- a/llvm/test/MC/RISCV/cnop.s
+++ b/llvm/test/MC/RISCV/cnop.s
@@ -1,5 +1,5 @@
 # RUN: llvm-mc -filetype=obj -triple riscv32 -mattr=+c < %s \
-# RUN:     | llvm-objdump -mattr=+c -d - | FileCheck -check-prefix=CHECK-INST %s
+# RUN:     | llvm-objdump -d - | FileCheck -check-prefix=CHECK-INST %s
 
 # alpha and main are 8 byte alignment
 # but the alpha function's size is 6
diff --git a/llvm/test/MC/RISCV/fixups-compressed.s b/llvm/test/MC/RISCV/fixups-compressed.s
index bf6cbfc3556..65e4c773eca 100644
--- a/llvm/test/MC/RISCV/fixups-compressed.s
+++ b/llvm/test/MC/RISCV/fixups-compressed.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc %s -triple riscv32 -mattr=+c -show-encoding \
 # RUN:     | FileCheck -check-prefix=CHECK-FIXUP %s
 # RUN: llvm-mc -triple riscv32 -filetype=obj -mattr=+c < %s \
-# RUN:     | llvm-objdump -mattr=+c -d - | FileCheck -check-prefix=CHECK-INSTR %s
+# RUN:     | llvm-objdump -d - | FileCheck -check-prefix=CHECK-INSTR %s
 
 .LBB0_2:
 # CHECK-FIXUP:   fixup A - offset: 0, value: .LBB0_2, kind: fixup_riscv_rvc_jump
diff --git a/llvm/test/MC/RISCV/rv32c-only-valid.s b/llvm/test/MC/RISCV/rv32c-only-valid.s
index dc985fc1a5e..9767ebc6161 100644
--- a/llvm/test/MC/RISCV/rv32c-only-valid.s
+++ b/llvm/test/MC/RISCV/rv32c-only-valid.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc -triple=riscv32 -mattr=+c -riscv-no-aliases -show-encoding < %s \
 # RUN:     | FileCheck -check-prefixes=CHECK,CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple riscv32 -mattr=+c -riscv-no-aliases < %s \
-# RUN:     | llvm-objdump -mattr=+c -d - | FileCheck -check-prefix=CHECK-INST %s
+# RUN:     | llvm-objdump -d - | FileCheck -check-prefix=CHECK-INST %s
 # RUN: not llvm-mc -triple riscv32 \
 # RUN:     -riscv-no-aliases -show-encoding < %s 2>&1 \
 # RUN:     | FileCheck -check-prefixes=CHECK-NO-EXT %s
diff --git a/llvm/test/MC/RISCV/rv32c-valid.s b/llvm/test/MC/RISCV/rv32c-valid.s
index a58959dd398..029dbdeaaae 100644
--- a/llvm/test/MC/RISCV/rv32c-valid.s
+++ b/llvm/test/MC/RISCV/rv32c-valid.s
@@ -3,10 +3,10 @@
 # RUN: llvm-mc -triple=riscv64 -mattr=+c -riscv-no-aliases -show-encoding < %s \
 # RUN:     | FileCheck -check-prefixes=CHECK,CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple riscv32 -mattr=+c < %s \
-# RUN:     | llvm-objdump -mattr=+c -riscv-no-aliases -d - \
+# RUN:     | llvm-objdump -riscv-no-aliases -d - \
 # RUN:     | FileCheck -check-prefix=CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple riscv64 -mattr=+c < %s \
-# RUN:     | llvm-objdump -mattr=+c -riscv-no-aliases -d - \
+# RUN:     | llvm-objdump -riscv-no-aliases -d - \
 # RUN:     | FileCheck -check-prefix=CHECK-INST %s
 
 # TODO: more exhaustive testing of immediate encoding.
diff --git a/llvm/test/MC/RISCV/rv32dc-valid.s b/llvm/test/MC/RISCV/rv32dc-valid.s
index 507b39170ec..764bcbd2fb1 100644
--- a/llvm/test/MC/RISCV/rv32dc-valid.s
+++ b/llvm/test/MC/RISCV/rv32dc-valid.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc %s -triple=riscv32 -mattr=+c,+d -riscv-no-aliases -show-encoding \
 # RUN:     | FileCheck -check-prefixes=CHECK,CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+c,+d < %s \
-# RUN:     | llvm-objdump -mattr=+c,+d -riscv-no-aliases -d - \
+# RUN:     | llvm-objdump -mattr=+d -riscv-no-aliases -d - \
 # RUN:     | FileCheck -check-prefix=CHECK-INST %s
 # RUN: not llvm-mc -triple riscv32 -mattr=+c\
 # RUN:     -riscv-no-aliases -show-encoding < %s 2>&1 \
diff --git a/llvm/test/MC/RISCV/rv32fc-valid.s b/llvm/test/MC/RISCV/rv32fc-valid.s
index b07bef9d87c..87d86c13799 100644
--- a/llvm/test/MC/RISCV/rv32fc-valid.s
+++ b/llvm/test/MC/RISCV/rv32fc-valid.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc %s -triple=riscv32 -mattr=+c,+f -riscv-no-aliases -show-encoding \
 # RUN:     | FileCheck -check-prefixes=CHECK,CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+c,+f < %s \
-# RUN:     | llvm-objdump -mattr=+c,+f -riscv-no-aliases -d - \
+# RUN:     | llvm-objdump -mattr=+f -riscv-no-aliases -d - \
 # RUN:     | FileCheck -check-prefix=CHECK-INST %s
 # RUN: not llvm-mc -triple riscv32 -mattr=+c \
 # RUN:     -riscv-no-aliases -show-encoding < %s 2>&1 \
diff --git a/llvm/test/MC/RISCV/rv64c-valid.s b/llvm/test/MC/RISCV/rv64c-valid.s
index 5e7b901ad0e..c436fe5414c 100644
--- a/llvm/test/MC/RISCV/rv64c-valid.s
+++ b/llvm/test/MC/RISCV/rv64c-valid.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc -triple=riscv64 -mattr=+c -riscv-no-aliases -show-encoding < %s \
 # RUN:     | FileCheck -check-prefixes=CHECK,CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple riscv64 -mattr=+c < %s \
-# RUN:     | llvm-objdump -mattr=+c -riscv-no-aliases -d - \
+# RUN:     | llvm-objdump -riscv-no-aliases -d - \
 # RUN:     | FileCheck -check-prefix=CHECK-INST %s
 # RUN: not llvm-mc -triple riscv64 \
 # RUN:     -riscv-no-aliases -show-encoding < %s 2>&1 \
diff --git a/llvm/test/MC/RISCV/rv64dc-valid.s b/llvm/test/MC/RISCV/rv64dc-valid.s
index 43d39df0dcc..c9ef4cbf289 100644
--- a/llvm/test/MC/RISCV/rv64dc-valid.s
+++ b/llvm/test/MC/RISCV/rv64dc-valid.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc %s -triple=riscv64 -mattr=+c,+d -riscv-no-aliases -show-encoding \
 # RUN:     | FileCheck -check-prefixes=CHECK,CHECK-INST %s
 # RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+d < %s \
-# RUN:     | llvm-objdump -mattr=+c,+d -riscv-no-aliases -d - \
+# RUN:     | llvm-objdump -mattr=+d -riscv-no-aliases -d - \
 # RUN:     | FileCheck -check-prefix=CHECK-INST %s
 # RUN: not llvm-mc -triple riscv64 -mattr=+c\
 # RUN:     -riscv-no-aliases -show-encoding < %s 2>&1 \