1 files changed, 87 insertions, 0 deletions
diff --git a/test/ELF/mips-elf-flags-err.s b/test/ELF/mips-elf-flags-err.s
new file mode 100644
index 0000000000000..eab8377b17e26
--- /dev/null
+++ b/test/ELF/mips-elf-flags-err.s
@@ -0,0 +1,87 @@
+# Check MIPS ELF ISA flag calculation if input files have different ISAs.
+
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mcpu=mips32 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mcpu=mips32r2 %s -o %t2.o
+# RUN: ld.lld %t1.o %t2.o -o %t.exe
+# RUN: llvm-readobj -h %t.exe | FileCheck -check-prefix=R1R2 %s
+
+# Check that lld does not allow to link incompatible ISAs.
+
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mcpu=mips3 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mcpu=mips32 -mattr=+fp64 %s -o %t2.o
+# RUN: not ld.lld %t1.o %t2.o -o %t.exe 2>&1 | FileCheck -check-prefix=R3R32 %s
+
+# Check that lld does not allow to link incompatible ISAs.
+
+# RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux \
+# RUN:         -mcpu=mips64r6 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux \
+# RUN:         -mcpu=octeon %s -o %t2.o
+# RUN: not ld.lld %t1.o %t2.o -o %t.exe 2>&1 \
+# RUN:   | FileCheck -check-prefix=R6OCTEON %s
+
+# Check that lld does not allow to link incompatible floating point ABI.
+
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mcpu=mips32 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mcpu=mips32 -mattr=+fp64 %s -o %t2.o
+# RUN: not ld.lld %t1.o %t2.o -o %t.exe 2>&1 | FileCheck -check-prefix=FPABI %s
+
+# Check that lld take in account EF_MIPS_MACH_XXX ISA flags
+
+# RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux \
+# RUN:         -mcpu=mips64 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux \
+# RUN:         -mcpu=octeon %s -o %t2.o
+# RUN: ld.lld %t1.o %t2.o -o %t.exe
+# RUN: llvm-readobj -h %t.exe | FileCheck -check-prefix=OCTEON %s
+
+# Check that lld does not allow to link incompatible ABIs.
+
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -target-abi n32 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -target-abi o32 %s -o %t2.o
+# RUN: not ld.lld %t1.o %t2.o -o %t.exe 2>&1 | FileCheck -check-prefix=N32O32 %s
+
+# Check that lld does not allow to link modules with incompatible NAN flags.
+
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         -mattr=+nan2008 %S/Inputs/mips-dynamic.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         %s -o %t2.o
+# RUN: not ld.lld %t1.o %t2.o -o %t.exe 2>&1 | FileCheck -check-prefix=NAN %s
+
+# REQUIRES: mips
+
+  .option pic0
+  .text
+  .global  __start
+__start:
+  nop
+
+# R1R2:      Flags [
+# R1R2-NEXT:   EF_MIPS_ABI_O32
+# R1R2-NEXT:   EF_MIPS_ARCH_32R2
+# R1R2-NEXT:   EF_MIPS_CPIC
+# R1R2-NEXT: ]
+
+# R3R32: target ISA 'mips3' is incompatible with 'mips32': {{.*}}mips-elf-flags-err.s.tmp2.o
+# R6OCTEON: target ISA 'mips64r6' is incompatible with 'octeon': {{.*}}mips-elf-flags-err.s.tmp2.o
+# FPABI: target floating point ABI '-mdouble-float' is incompatible with '-mgp32 -mfp64': {{.*}}mips-elf-flags-err.s.tmp2.o
+
+# OCTEON:      Flags [
+# OCTEON-NEXT:   EF_MIPS_ARCH_64R2
+# OCTEON-NEXT:   EF_MIPS_CPIC
+# OCTEON-NEXT:   EF_MIPS_MACH_OCTEON
+# OCTEON-NEXT:   EF_MIPS_PIC
+# OCTEON-NEXT: ]
+
+# N32O32: error: {{.*}}mips-elf-flags-err.s.tmp2.o is incompatible with {{.*}}mips-elf-flags-err.s.tmp1.o
+
+# NAN: target -mnan=2008 is incompatible with -mnan=legacy: {{.*}}mips-elf-flags-err.s.tmp2.o