| # RUN: llc -mtriple=aarch64--- -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s |
| # RUN: llc -mtriple=aarch64--- -outliner-benefit-threshold=10 -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=THRESHOLD |
| --- | |
| |
| define void @baz() #0 { |
| ret void |
| } |
| |
| define void @bar(i32 %a) #0 { |
| ret void |
| } |
| |
| attributes #0 = { noredzone } |
| ... |
| --- |
| # Check that two we outline two different sequences, one from bb1 and one from |
| # bb2 when the threshold is 1. |
| # CHECK-LABEL: bb.1: |
| # CHECK: BL @OUTLINED_FUNCTION_[[F0:[0-9]+]], implicit-def $lr, implicit $sp |
| # CHECK-NEXT: $w11 = ORRWri $wzr, 1 |
| # CHECK-NEXT: $w11 = ORRWri $wzr, 1 |
| # CHECK-NEXT: $w11 = ORRWri $wzr, 2 |
| # CHECK-NEXT: BL @baz, implicit-def dead $lr, implicit $sp |
| # CHECK-NEXT: BL @OUTLINED_FUNCTION_[[F0]], implicit-def $lr, implicit $sp |
| # CHECK-NEXT: $w11 = ORRWri $wzr, 1 |
| # CHECK-NEXT: $w11 = ORRWri $wzr, 1 |
| # CHECK-NEXT: $w8 = ORRWri $wzr, 0 |
| # CHECK-NOT: $w11 = KILL renamable $w11, implicit killed $w11 |
| |
| # CHECK-LABEL: bb.2: |
| # CHECK: BL @OUTLINED_FUNCTION_[[F1:[0-9]+]], implicit-def $lr, implicit $sp |
| # CHECK-NEXT: $w9 = ORRWri $wzr, 0 |
| # CHECK-NEXT: BL @OUTLINED_FUNCTION_[[F1]], implicit-def $lr, implicit $sp |
| # CHECK-NEXT: $w8 = ORRWri $wzr, 0 |
| # CHECK-NOT: $w11 = KILL renamable $w11, implicit killed $w11 |
| |
| # Check that the sequences in bb.2 don't get outlined with a threshold of 10 but |
| # the sequences in bb.1 do. |
| # THRESHOLD-LABEL: bb.1: |
| # THRESHOLD: BL @OUTLINED_FUNCTION_[[F0:[0-9]+]], implicit-def $lr, implicit $sp |
| # THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1 |
| # THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1 |
| # THRESHOLD-NEXT: $w11 = ORRWri $wzr, 2 |
| # THRESHOLD-NEXT: BL @baz, implicit-def dead $lr, implicit $sp |
| # THRESHOLD-NEXT: BL @OUTLINED_FUNCTION_[[F0]], implicit-def $lr, implicit $sp |
| # THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1 |
| # THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1 |
| # THRESHOLD-NEXT: $w8 = ORRWri $wzr, 0 |
| # THRESHOLD-NOT: $w11 = KILL renamable $w11, implicit killed $w11 |
| |
| # THRESHOLD-LABEL: bb.2: |
| # THRESHOLD-NOT: BL @OUTLINED_FUNCTION |
| 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 |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| $w11 = KILL renamable $w11, implicit killed $w11 |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 2 |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| BL @baz, implicit-def dead $lr, implicit $sp |
| $w11 = ORRWri $wzr, 1 |
| $w11 = ORRWri $wzr, 1 |
| $w8 = ORRWri $wzr, 0 |
| |
| bb.2: |
| $w15 = ORRWri $wzr, 1 |
| $w15 = ORRWri $wzr, 1 |
| $w15 = ORRWri $wzr, 1 |
| $w15 = ORRWri $wzr, 1 |
| $x15 = ADDXri $sp, 48, 0; |
| $w9 = ORRWri $wzr, 0 |
| $w15 = ORRWri $wzr, 1 |
| $w15 = ORRWri $wzr, 1 |
| $w15 = ORRWri $wzr, 1 |
| $w15 = ORRWri $wzr, 1 |
| $x15 = ADDXri $sp, 48, 0; |
| $w8 = ORRWri $wzr, 0 |
| |
| bb.3: |
| $fp, $lr = LDPXi $sp, 2 |
| $sp = ADDXri $sp, 32, 0 |
| RET undef $lr |
| |
| ... |
| --- |
| name: baz |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $w0, $lr, $w8 |
| RET undef $lr |
| |
| # CHECK-LABEL: name: OUTLINED_FUNCTION_{{[0-9]}} |
| # CHECK-LABEL: name: OUTLINED_FUNCTION_{{[1-9]}} |
| |
| # THRESHOLD-LABEL: name: OUTLINED_FUNCTION_{{[0-9]}} |
| # THRESHOLD-NOT: name: OUTLINED_FUNCTION_{{[1-9]}} |