| # RUN: llc -mtriple=aarch64--- -run-pass=prologepilog -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s |
| # RUN: llc -mtriple=aarch64-pc-windows-msvc -run-pass=prologepilog -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=WINDOWS |
| --- | |
| define void @baz() #0 { |
| ret void |
| } |
| |
| define void @bar(i32 %a) #0 { |
| ret void |
| } |
| |
| attributes #0 = { noredzone } |
| ... |
| --- |
| |
| name: bar |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $w0, $lr, $w8 |
| $sp = frame-setup SUBXri $sp, 32, 0 |
| $fp = frame-setup ADDXri $sp, 16, 0 |
| |
| bb.1: |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w17 = ORRWri $wzr, 1 |
| $w17 = ORRWri $wzr, 1 |
| $w0 = ORRWri $wzr, 4 |
| |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w17 = ORRWri $wzr, 1 |
| $w17 = ORRWri $wzr, 1 |
| $w0 = ORRWri $wzr, 3 |
| |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w17 = ORRWri $wzr, 1 |
| $w17 = ORRWri $wzr, 1 |
| $w0 = ORRWri $wzr, 2 |
| |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w17 = ORRWri $wzr, 1 |
| $w17 = ORRWri $wzr, 1 |
| $w0 = ORRWri $wzr, 1 |
| |
| |
| bb.2: |
| $fp, $lr = LDPXi $sp, 2 |
| RET undef $lr |
| ... |
| --- |
| name: baz |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $w0, $lr, $w8 |
| RET undef $lr |
| |
| # CHECK: name: OUTLINED_FUNCTION_0 |
| # CHECK: bb.0: |
| # CHECK: liveins: $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $d15, $d8, $d9, $d10, $d11, $d12, $d13, $d14, $lr |
| # CHECK-DAG: frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| # CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $w30, -16 |
| # CHECK-NEXT: early-clobber $sp = STRXpre $lr, $sp, -16 |
| # CHECK-NEXT: BL @baz, implicit-def dead $lr, implicit $sp |
| # CHECK-NEXT: $w17 = ORRWri $wzr, 1 |
| # CHECK-NEXT: $w17 = ORRWri $wzr, 1 |
| # CHECK-NEXT: early-clobber $sp, $lr = LDRXpost $sp, 16 |
| # CHECK-NEXT: RET $lr |
| # WINDOWS-NOT: OUTLINED |