| # RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s |
| # This test ensures that the MIR parser parses the call entry pseudo source |
| # values in memory operands correctly. |
| |
| --- | |
| define i32 @test(i32 %a) { |
| entry: |
| %call = call i32 @foo(i32 %a) |
| ret i32 0 |
| } |
| |
| declare i32 @foo(i32) |
| |
| define float @test2() #0 { |
| entry: |
| %call = tail call float bitcast (float (...)* @g to float ()*)() |
| call void @__mips16_ret_sf(float %call) |
| ret float %call |
| } |
| |
| declare float @g(...) |
| |
| declare void @__mips16_ret_sf(float) #1 |
| |
| attributes #0 = { "saveS2" } |
| attributes #1 = { noinline readnone "__Mips16RetHelper" } |
| ... |
| --- |
| name: test |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '%a0' } |
| frameInfo: |
| stackSize: 24 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| maxCallFrameSize: 16 |
| stack: |
| - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, |
| callee-saved-register: '%ra' } |
| body: | |
| bb.0.entry: |
| liveins: %a0, %ra |
| |
| Save16 %ra, 24, implicit-def %sp, implicit %sp |
| CFI_INSTRUCTION .cfi_def_cfa_offset 24 |
| CFI_INSTRUCTION .cfi_offset %ra_64, -4 |
| %v0, %v1 = GotPrologue16 $_gp_disp, $_gp_disp |
| %v0 = SllX16 killed %v0, 16 |
| %v0 = AdduRxRyRz16 killed %v1, killed %v0 |
| ; CHECK-LABEL: name: test |
| ; CHECK: %v1 = LwRxRyOffMemX16 %v0, @foo, 0 :: (load 4 from call-entry @foo) |
| %v1 = LwRxRyOffMemX16 %v0, @foo, 0 :: (load 4 from call-entry @foo) |
| %t9 = COPY %v1 |
| %gp = COPY killed %v0 |
| JumpLinkReg16 killed %v1, csr_o32, implicit-def %ra, implicit killed %t9, implicit %a0, implicit killed %gp, implicit-def %sp, implicit-def dead %v0 |
| %v0 = LiRxImmX16 0 |
| %ra = Restore16 24, implicit-def %sp, implicit %sp |
| RetRA16 implicit %v0 |
| ... |
| --- |
| name: test2 |
| tracksRegLiveness: true |
| frameInfo: |
| stackSize: 32 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| maxCallFrameSize: 16 |
| stack: |
| - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, |
| callee-saved-register: '%ra' } |
| - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, |
| callee-saved-register: '%s2' } |
| - { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4, |
| callee-saved-register: '%s0' } |
| body: | |
| bb.0.entry: |
| liveins: %ra, %s2, %s0, %ra, %s2, %s0 |
| |
| SaveX16 %s0, %ra, %s2, 32, implicit-def %sp, implicit %sp |
| CFI_INSTRUCTION .cfi_def_cfa_offset 32 |
| CFI_INSTRUCTION .cfi_offset %ra_64, -4 |
| CFI_INSTRUCTION .cfi_offset %s2_64, -8 |
| CFI_INSTRUCTION .cfi_offset %s0_64, -12 |
| %v0, %v1 = GotPrologue16 $_gp_disp, $_gp_disp |
| %v0 = SllX16 killed %v0, 16 |
| %s0 = AdduRxRyRz16 killed %v1, killed %v0 |
| %v0 = LwRxRyOffMemX16 %s0, @g, 0 :: (load 4 from call-entry @g) |
| ; CHECK-LABEL: test2 |
| ; CHECK: %v1 = LwRxRyOffMemX16 %s0, $__mips16_call_stub_sf_0, 0 :: (load 4 from call-entry $__mips16_call_stub_sf_0) |
| %v1 = LwRxRyOffMemX16 %s0, $__mips16_call_stub_sf_0, 0 :: (load 4 from call-entry $__mips16_call_stub_sf_0) |
| %gp = COPY %s0 |
| JumpLinkReg16 killed %v1, csr_o32, implicit-def %ra, implicit %v0, implicit killed %gp, implicit-def %sp, implicit-def %v0 |
| %v1 = LwRxRyOffMemX16 %s0, @__mips16_ret_sf, 0 :: (load 4 from call-entry @__mips16_ret_sf) |
| %t9 = COPY %v1 |
| %gp = COPY killed %s0 |
| JumpLinkReg16 killed %v1, csr_mips16rethelper, implicit-def %ra, implicit killed %t9, implicit %v0, implicit killed %gp, implicit-def %sp |
| %s0, %ra, %s2 = RestoreX16 32, implicit-def %sp, implicit %sp |
| RetRA16 implicit %v0 |
| ... |