114 lines
3.6 KiB
YAML
114 lines
3.6 KiB
YAML
# RUN: llc -mtriple=aarch64--- -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
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# RUN: llc -mtriple=aarch64--- -outliner-benefit-threshold=10 -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=THRESHOLD
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--- |
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define void @baz() #0 {
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ret void
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}
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define void @bar(i32 %a) #0 {
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ret void
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}
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attributes #0 = { noredzone }
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...
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---
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# Check that two we outline two different sequences, one from bb1 and one from
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# bb2 when the threshold is 1.
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# CHECK-LABEL: bb.1:
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# CHECK: BL @OUTLINED_FUNCTION_[[F0:[0-9]+]], implicit-def $lr, implicit $sp
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# CHECK-NEXT: $w11 = ORRWri $wzr, 1
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# CHECK-NEXT: $w11 = ORRWri $wzr, 1
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# CHECK-NEXT: $w11 = ORRWri $wzr, 2
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# CHECK-NEXT: BL @baz, implicit-def dead $lr, implicit $sp
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# CHECK-NEXT: BL @OUTLINED_FUNCTION_[[F0]], implicit-def $lr, implicit $sp
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# CHECK-NEXT: $w11 = ORRWri $wzr, 1
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# CHECK-NEXT: $w11 = ORRWri $wzr, 1
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# CHECK-NEXT: $w8 = ORRWri $wzr, 0
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# CHECK-NOT: $w11 = KILL renamable $w11, implicit killed $w11
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# CHECK-LABEL: bb.2:
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# CHECK: BL @OUTLINED_FUNCTION_[[F1:[0-9]+]], implicit-def $lr, implicit $sp
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# CHECK-NEXT: $w9 = ORRWri $wzr, 0
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# CHECK-NEXT: BL @OUTLINED_FUNCTION_[[F1]], implicit-def $lr, implicit $sp
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# CHECK-NEXT: $w8 = ORRWri $wzr, 0
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# CHECK-NOT: $w11 = KILL renamable $w11, implicit killed $w11
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# Check that the sequences in bb.2 don't get outlined with a threshold of 10 but
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# the sequences in bb.1 do.
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# THRESHOLD-LABEL: bb.1:
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# THRESHOLD: BL @OUTLINED_FUNCTION_[[F0:[0-9]+]], implicit-def $lr, implicit $sp
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# THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1
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# THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1
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# THRESHOLD-NEXT: $w11 = ORRWri $wzr, 2
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# THRESHOLD-NEXT: BL @baz, implicit-def dead $lr, implicit $sp
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# THRESHOLD-NEXT: BL @OUTLINED_FUNCTION_[[F0]], implicit-def $lr, implicit $sp
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# THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1
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# THRESHOLD-NEXT: $w11 = ORRWri $wzr, 1
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# THRESHOLD-NEXT: $w8 = ORRWri $wzr, 0
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# THRESHOLD-NOT: $w11 = KILL renamable $w11, implicit killed $w11
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# THRESHOLD-LABEL: bb.2:
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# THRESHOLD-NOT: BL @OUTLINED_FUNCTION
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name: bar
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $lr, $w8
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$sp = frame-setup SUBXri $sp, 32, 0
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$fp = frame-setup ADDXri $sp, 16, 0
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bb.1:
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BL @baz, implicit-def dead $lr, implicit $sp
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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$w11 = KILL renamable $w11, implicit killed $w11
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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BL @baz, implicit-def dead $lr, implicit $sp
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 2
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BL @baz, implicit-def dead $lr, implicit $sp
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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BL @baz, implicit-def dead $lr, implicit $sp
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$w11 = ORRWri $wzr, 1
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$w11 = ORRWri $wzr, 1
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$w8 = ORRWri $wzr, 0
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bb.2:
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$w15 = ORRWri $wzr, 1
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$w15 = ORRWri $wzr, 1
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$w15 = ORRWri $wzr, 1
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$w15 = ORRWri $wzr, 1
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$x15 = ADDXri $sp, 48, 0;
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$w9 = ORRWri $wzr, 0
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$w15 = ORRWri $wzr, 1
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$w15 = ORRWri $wzr, 1
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$w15 = ORRWri $wzr, 1
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$w15 = ORRWri $wzr, 1
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$x15 = ADDXri $sp, 48, 0;
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$w8 = ORRWri $wzr, 0
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bb.3:
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$fp, $lr = LDPXi $sp, 2
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$sp = ADDXri $sp, 32, 0
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RET undef $lr
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...
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---
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name: baz
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $lr, $w8
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RET undef $lr
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# CHECK-LABEL: name: OUTLINED_FUNCTION_{{[0-9]}}
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# CHECK-LABEL: name: OUTLINED_FUNCTION_{{[1-9]}}
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# THRESHOLD-LABEL: name: OUTLINED_FUNCTION_{{[0-9]}}
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# THRESHOLD-NOT: name: OUTLINED_FUNCTION_{{[1-9]}}
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