Subzero, MIPS32: lowerUnreachable

tests_lit/assembler/mips32/encoding_trap.ll

+; Test encoding of MIPS32 floating point arithmetic instructions
+
+; REQUIRES: allow_dump
+
+; Compile using standalone assembler.
+; RUN: %p2i --filetype=asm -i %s --target=mips32 --args -O2 \
+; RUN:   --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=ASM
+
+; Show bytes in assembled standalone code.
+; RUN: %p2i --filetype=asm -i %s --target=mips32 --assemble --disassemble \
+; RUN:   --args -O2 --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=DIS
+
+; Compile using integrated assembler.
+; RUN: %p2i --filetype=iasm -i %s --target=mips32 --args -O2 \
+; RUN:   --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=IASM
+
+; Show bytes in assembled integrated code.
+; RUN: %p2i --filetype=iasm -i %s --target=mips32 --assemble --disassemble \
+; RUN:   --args -O2 --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=DIS
+
+define internal void @encTrap() {
+  unreachable
+}
+
+; ASM-LABEL: encTrap
+; ASM-NEXT: .LencTrap$__0:
+; ASM-NEXT:     teq     $zero, $zero, 0
+
+; DIS-LABEL: 00000000 <encTrap>:
+; DIS-NEXT:    0:       00000034        teq     zero,zero
+
+; IASM-LABEL: encTrap:
+; IASM-NEXT: .LencTrap$__0:
+; IASM-NEXT:    .byte 0x34
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x0