machine-outliner-thunk.ll
6.32 KB
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; RUN: llc -enable-machine-outliner -verify-machineinstrs -mtriple=armv7-- \
; RUN: -stop-after=machine-outliner < %s | FileCheck %s --check-prefix=ARM
; RUN: llc -enable-machine-outliner -verify-machineinstrs -mtriple=thumbv7-- \
; RUN: -stop-after=machine-outliner < %s | FileCheck %s --check-prefix=THUMB
; RUN: llc -enable-machine-outliner -verify-machineinstrs \
; RUN: -mtriple=thumbv7-apple-darwin -stop-after=machine-outliner < %s \
; RUN: | FileCheck %s --check-prefix=MACHO
; RUN: llc -enable-machine-outliner -verify-machineinstrs -mtriple=thumbv5-- \
; RUN: --stop-after=machine-outliner < %s | FileCheck %s --check-prefix=THUMB1
; RUN: llc -verify-machineinstrs -mtriple=thumbv8m.main \
; RUN: --stop-after=machine-outliner < %s | FileCheck %s --check-prefix=THUMB
declare i32 @thunk_called_fn(i32, i32, i32, i32)
define i32 @a() #0 {
; ARM-LABEL: name: a
; ARM: bb.0.entry:
; ARM-NEXT: liveins: $r11, $lr
; ARM: $sp = frame-setup STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r11, killed $lr
; ARM-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; ARM-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
; ARM-NEXT: frame-setup CFI_INSTRUCTION offset $r11, -8
; ARM-NEXT: BL @OUTLINED_FUNCTION_0{{.*}}
; ARM-NEXT: renamable $r0 = ADDri killed renamable $r0, 8, 14 /* CC::al */, $noreg, $noreg
; ARM-NEXT: $sp = frame-destroy LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r11, def $pc, implicit killed $r0
; THUMB-LABEL: name: a
; THUMB: bb.0.entry:
; THUMB-NEXT: liveins: $r7, $lr
; THUMB: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r7, killed $lr
; THUMB-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; THUMB-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
; THUMB-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8
; THUMB-NEXT: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0{{.*}}
; THUMB-NEXT: renamable $r0, dead $cpsr = tADDi8 killed renamable $r0, 8, 14 /* CC::al */, $noreg
; THUMB-NEXT: tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
; MACHO-LABEL: name: a
; MACHO: bb.0.entry:
; MACHO-NEXT: liveins: $lr
; MACHO: early-clobber $sp = frame-setup t2STR_PRE killed $lr, $sp, -4, 14 /* CC::al */, $noreg
; MACHO-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 4
; MACHO-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
; MACHO-NEXT: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0{{.*}}
; MACHO-NEXT: renamable $r0, dead $cpsr = tADDi8 killed renamable $r0, 8, 14 /* CC::al */, $noreg
; MACHO-NEXT: $lr, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg
; MACHO-NEXT: tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0
; THUMB1-NOT: OUTLINED_FUNCTION_0
entry:
%call = tail call i32 @thunk_called_fn(i32 1, i32 2, i32 3, i32 4)
%cx = add i32 %call, 8
ret i32 %cx
}
define i32 @b() #0 {
; ARM-LABEL: name: b
; ARM: bb.0.entry:
; ARM-NEXT: liveins: $r11, $lr
; ARM: $sp = frame-setup STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r11, killed $lr
; ARM-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; ARM-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
; ARM-NEXT: frame-setup CFI_INSTRUCTION offset $r11, -8
; ARM-NEXT: BL @OUTLINED_FUNCTION_0{{.*}}
; ARM-NEXT: renamable $r0 = ADDri killed renamable $r0, 88, 14 /* CC::al */, $noreg, $noreg
; ARM-NEXT: $sp = frame-destroy LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r11, def $pc, implicit killed $r0
; THUMB-LABEL: name: b
; THUMB: bb.0.entry:
; THUMB-NEXT: liveins: $r7, $lr
; THUMB: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r7, killed $lr
; THUMB-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8
; THUMB-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
; THUMB-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8
; THUMB-NEXT: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0{{.*}}
; THUMB-NEXT: renamable $r0, dead $cpsr = tADDi8 killed renamable $r0, 88, 14 /* CC::al */, $noreg
; THUMB-NEXT: tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
; MACHO-LABEL: name: b
; MACHO: bb.0.entry:
; MACHO-NEXT: liveins: $lr
; MACHO: early-clobber $sp = frame-setup t2STR_PRE killed $lr, $sp, -4, 14 /* CC::al */, $noreg
; MACHO-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 4
; MACHO-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4
; MACHO-NEXT: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0{{.*}}
; MACHO-NEXT: renamable $r0, dead $cpsr = tADDi8 killed renamable $r0, 88, 14 /* CC::al */, $noreg
; MACHO-NEXT: $lr, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg
; MACHO-NEXT: tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0
entry:
%call = tail call i32 @thunk_called_fn(i32 1, i32 2, i32 3, i32 4)
%cx = add i32 %call, 88
ret i32 %cx
}
; ARM-LABEL: name: OUTLINED_FUNCTION_0
; ARM: bb.0:
; ARM-NEXT: liveins: $r10, $r9, $r8, $r7, $r6, $r5, $r4, $d15, $d14, $d13, $d12, $d11, $d10, $d9, $d8
; ARM: $r0 = MOVi 1, 14 /* CC::al */, $noreg, $noreg
; ARM-NEXT: $r1 = MOVi 2, 14 /* CC::al */, $noreg, $noreg
; ARM-NEXT: $r2 = MOVi 3, 14 /* CC::al */, $noreg, $noreg
; ARM-NEXT: $r3 = MOVi 4, 14 /* CC::al */, $noreg, $noreg
; ARM-NEXT: TAILJMPd @thunk_called_fn, implicit $sp
; THUMB-LABEL: name: OUTLINED_FUNCTION_0
; THUMB: bb.0:
; THUMB-NEXT: liveins: $r11, $r10, $r9, $r8, $r6, $r5, $r4, $d15, $d14, $d13, $d12, $d11, $d10, $d9, $d8
; THUMB: $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
; THUMB-NEXT: $r1, dead $cpsr = tMOVi8 2, 14 /* CC::al */, $noreg
; THUMB-NEXT: $r2, dead $cpsr = tMOVi8 3, 14 /* CC::al */, $noreg
; THUMB-NEXT: $r3, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg
; THUMB-NEXT: tTAILJMPdND @thunk_called_fn, 14 /* CC::al */, $noreg, implicit $sp
; MACHO-LABEL: name: OUTLINED_FUNCTION_0
; MACHO: bb.0:
; MACHO-NEXT: liveins: $r7, $r6, $r5, $r4, $r11, $r10, $r8, $d15, $d14, $d13, $d12, $d11, $d10, $d9, $d8
; MACHO: $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
; MACHO-NEXT: $r1, dead $cpsr = tMOVi8 2, 14 /* CC::al */, $noreg
; MACHO-NEXT: $r2, dead $cpsr = tMOVi8 3, 14 /* CC::al */, $noreg
; MACHO-NEXT: $r3, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg
; MACHO-NEXT: tTAILJMPd @thunk_called_fn, 14 /* CC::al */, $noreg, implicit $sp
attributes #0 = { minsize optsize }