# RUN: llc -O0 -march=mips -mcpu=mips32r3 -mattr=+micromips,+eva -start-after=finalize-isel \ # RUN: -filetype obj %s -o - | llvm-objdump --mattr=+eva -d - | FileCheck %s # Test that MIPS unaligned load/store instructions can be mapped to their # corresponding microMIPS instructions. --- | define void @g(i32* %a, i32* %b) { entry: %0 = load i32, i32* %a, align 1 store i32 %0, i32* %b, align 1 ret void } define void @g2(i32* %a, i32* %b) { entry: %0 = load i32, i32* %a, align 1 store i32 %0, i32* %b, align 1 ret void } ... --- name: g alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true liveins: - { reg: '$a0', virtual-reg: '%0' } - { reg: '$a1', virtual-reg: '%1' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 4294967295 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false savePoint: '' restorePoint: '' fixedStack: stack: constants: body: | bb.0.entry: liveins: $a0, $a1 %1:gpr32 = COPY $a1 %0:gpr32 = COPY $a0 %3:gpr32 = IMPLICIT_DEF %2:gpr32 = LWL %0, 0, %3 :: (load (s32) from %ir.a, align 1) %4:gpr32 = LWR %0, 3, %2 :: (load (s32) from %ir.a, align 1) SWL %4, %1, 0 :: (store (s32) into %ir.b, align 1) SWR %4, %1, 3 :: (store (s32) into %ir.b, align 1) RetRA ... --- name: g2 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true liveins: - { reg: '$a0', virtual-reg: '%0' } - { reg: '$a1', virtual-reg: '%1' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 4294967295 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false savePoint: '' restorePoint: '' fixedStack: stack: constants: body: | bb.0.entry: liveins: $a0, $a1 %1:gpr32 = COPY $a1 %0:gpr32 = COPY $a0 %3:gpr32 = IMPLICIT_DEF %2:gpr32 = LWLE %0, 0, %3 :: (load (s32) from %ir.a, align 1) %4:gpr32 = LWRE %0, 3, %2 :: (load (s32) from %ir.a, align 1) SWLE %4, %1, 0 :: (store (s32) into %ir.b, align 1) SWRE %4, %1, 3 :: (store (s32) into %ir.b, align 1) RetRA ... # CHECK-LABEL: <g>: # CHECK: 0: 60 24 00 00 lwl $1, 0($4) # CHECK: 4: 60 24 10 03 lwr $1, 3($4) # CHECK: 8: 60 25 80 00 swl $1, 0($5) # CHECK: c: 60 25 90 03 swr $1, 3($5) # CHECK-LABEL: <g2>: # CHECK: 14: 60 24 64 00 lwle $1, 0($4) # CHECK: 18: 60 24 66 03 lwre $1, 3($4) # CHECK: 1c: 60 25 a0 00 swle $1, 0($5) # CHECK: 20: 60 25 a2 03 swre $1, 3($5)