[ELF][test] Improve gitBitcodeMachineKind tests

lld/test/ELF/lto/aarch64.ll

@@ -10,6 +10,7 @@
 ; RUN: ld.lld %t/be.o -o %t/be
 ; RUN: llvm-readobj -h %t/be | FileCheck %s --check-prefixes=CHECK,BE
 
+; CHECK:   Class: 64-bit
 ; LE:      DataEncoding: LittleEndian
 ; BE:      DataEncoding: BigEndian
 ; CHECK: Machine: EM_AARCH64

lld/test/ELF/lto/ppc.ll

@@ -0,0 +1,51 @@
+; REQUIRES: ppc
+;; Test we can infer the e_machine value EM_PPC/EM_PPC64 from a bitcode file.
+
+; RUN: split-file %s %t
+; RUN: llvm-as %t/32le.ll -o %t/32le.o
+; RUN: ld.lld %t/32le.o -o %t/32le
+; RUN: llvm-readobj -h %t/32le | FileCheck %s --check-prefix=LE32
+
+; RUN: llvm-as %t/32be.ll -o %t/32be.o
+; RUN: ld.lld %t/32be.o -o %t/32be
+; RUN: llvm-readobj -h %t/32be | FileCheck %s --check-prefix=BE32
+
+; RUN: llvm-as %t/64.ll -o %t/64.o
+; RUN: ld.lld %t/64.o -o %t/64
+; RUN: llvm-readobj -h %t/64 | FileCheck %s --check-prefix=LE64
+
+; LE32:   Class: 32-bit
+; LE32:   DataEncoding: LittleEndian
+; LE32: Machine: EM_PPC (
+
+; BE32:   Class: 32-bit
+; BE32:   DataEncoding: BigEndian
+; BE32: Machine: EM_PPC (
+
+; LE64:   Class: 64-bit
+; LE64:   DataEncoding: LittleEndian
+; LE64: Machine: EM_PPC64
+
+;--- 32le.ll
+target datalayout = "e-m:e-p:32:32-i64:64-n32"
+target triple = "powerpcle-pc-freebsd"
+
+define void @_start() {
+  ret void
+}
+
+;--- 32be.ll
+target datalayout = "E-m:e-p:32:32-i64:64-n32"
+target triple = "powerpc-unknown-linux-gnu"
+
+define void @_start() {
+  ret void
+}
+
+;--- 64.ll
+target datalayout = "e-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
+target triple = "powerpc64le-unknown-linux-gnu"
+
+define void @_start() {
+  ret void
+}

lld/test/ELF/lto/ppc64le.ll

@@ -1,12 +0,0 @@
-; REQUIRES: ppc
-
-; RUN: llvm-as %s -o %t.o
-; RUN: ld.lld %t.o -o %t
-
-target datalayout = "e-m:e-i64:64-n32:64"
-target triple = "powerpc64le-unknown-linux-gnu"
-
-define void @__start() {
-  entry:
-    ret void
-}

lld/test/ELF/lto/riscv.ll

@@ -0,0 +1,32 @@
+; REQUIRES: riscv
+;; Test we can infer the e_machine value EM_RISCV from a bitcode file.
+
+; RUN: split-file %s %t
+; RUN: llvm-as %t/32.ll -o %t/32.o
+; RUN: ld.lld %t/32.o -o %t/32
+; RUN: llvm-readobj -h %t/32 | FileCheck %s --check-prefixes=CHECK,RV32
+
+; RUN: llvm-as %t/64.ll -o %t/64.o
+; RUN: ld.lld %t/64.o -o %t/64
+; RUN: llvm-readobj -h %t/64 | FileCheck %s --check-prefixes=CHECK,RV64
+
+; RV32:    Class: 32-bit
+; RV64:    Class: 64-bit
+; CHECK:   DataEncoding: LittleEndian
+; CHECK: Machine: EM_RISCV
+
+;--- 32.ll
+target datalayout = "e-m:e-p:32:32-i64:64-n32-S128"
+target triple = "riscv32-unknown-elf"
+
+define void @_start() {
+  ret void
+}
+
+;--- 64.ll
+target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
+target triple = "riscv64-unknown-elf"
+
+define void @_start() {
+  ret void
+}

lld/test/ELF/lto/riscv32.ll

@@ -1,10 +0,0 @@
-; REQUIRES: riscv
-
-; RUN: llvm-as %s -o %t.o
-; RUN: ld.lld %t.o -o %t
-target datalayout = "e-m:e-p:32:32-i64:64-n32-S128"
-target triple = "riscv32-unknown-elf"
-
-define void @f() {
-  ret void
-}

lld/test/ELF/lto/riscv64.ll

@@ -1,10 +0,0 @@
-; REQUIRES: riscv
-
-; RUN: llvm-as %s -o %t.o
-; RUN: ld.lld %t.o -o %t
-target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
-target triple = "riscv64-unknown-elf"
-
-define void @f() {
-  ret void
-}