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|
# RUN: llc -O0 -run-pass=avr-expand-pseudo -verify-machineinstrs %s -o - | FileCheck %s
--- |
target triple = "avr--"
define void @test() {
entry:
ret void
}
...
---
name: test
body: |
bb.0.entry:
; CHECK-LABEL: test
; Small displacement (<63):
; CHECK: STDPtrQRr $r29r28, 3, $r0
; CHECK-NEXT: STDPtrQRr $r29r28, 4, $r1
STDWPtrQRr $r29r28, 3, $r1r0
; Small displacement where the destination register is killed:
; CHECK: STDPtrQRr $r29r28, 3, $r0
; CHECK-NEXT: STDPtrQRr killed $r29r28, 4, $r1
STDWPtrQRr killed $r29r28, 3, $r1r0
; Small displacement where the source register is killed:
; CHECK: STDPtrQRr $r29r28, 3, killed $r0
; CHECK-NEXT: STDPtrQRr $r29r28, 4, killed $r1
STDWPtrQRr $r29r28, 3, killed $r1r0
; Small displacement, near the limit (=62):
; CHECK: STDPtrQRr $r29r28, 62, $r0
; CHECK-NEXT: STDPtrQRr $r29r28, 63, $r1
STDWPtrQRr $r29r28, 62, $r1r0
; Large displacement (>=63):
; CHECK: PUSHRr $r28, implicit-def $sp, implicit $sp
; CHECK-NEXT: PUSHRr $r29, implicit-def $sp, implicit $sp
; CHECK-NEXT: $r28 = SUBIRdK killed $r28, 193, implicit-def $sreg
; CHECK-NEXT: $r29 = SBCIRdK killed $r29, 255, implicit-def $sreg, implicit killed $sreg
; CHECK-NEXT: STPtrRr $r29r28, $r0
; CHECK-NEXT: STDPtrQRr $r29r28, 1, $r1
; CHECK-NEXT: $r29 = POPRd implicit-def $sp, implicit $sp
; CHECK-NEXT: $r28 = POPRd implicit-def $sp, implicit $sp
STDWPtrQRr $r29r28, 63, $r1r0
; Large displacement where the destination register is killed:
; CHECK: $r28 = SUBIRdK killed $r28, 193, implicit-def $sreg
; CHECK-NEXT: $r29 = SBCIRdK killed $r29, 255, implicit-def $sreg, implicit killed $sreg
; CHECK-NEXT: STPtrRr $r29r28, $r0
; CHECK-NEXT: STDPtrQRr $r29r28, 1, $r1
STDWPtrQRr killed $r29r28, 63, $r1r0
; Large displacement where the source register is killed:
; CHECK: PUSHRr $r28, implicit-def $sp, implicit $sp
; CHECK-NEXT: PUSHRr $r29, implicit-def $sp, implicit $sp
; CHECK-NEXT: $r28 = SUBIRdK killed $r28, 193, implicit-def $sreg
; CHECK-NEXT: $r29 = SBCIRdK killed $r29, 255, implicit-def $sreg, implicit killed $sreg
; CHECK-NEXT: STPtrRr $r29r28, killed $r0
; CHECK-NEXT: STDPtrQRr $r29r28, 1, killed $r1
; CHECK-NEXT: $r29 = POPRd implicit-def $sp, implicit $sp
; CHECK-NEXT: $r28 = POPRd implicit-def $sp, implicit $sp
STDWPtrQRr $r29r28, 63, killed $r1r0
...
|
