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|
# RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | 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
...
|
