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