forked from OSchip/llvm-project
104 lines
2.8 KiB
YAML
104 lines
2.8 KiB
YAML
# RUN: llc -mtriple=aarch64--- -run-pass=machine-outliner \
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# RUN: -verify-machineinstrs %s -o - | FileCheck %s
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# Ensure that we can outline candidates with compatible call/frame classes.
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#
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# - Save/restores that don't impact the stack can be outlined together.
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# - Save/restores that impact the stack if the outlined sequence doesn't use
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# the stack.
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--- |
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define void @no-save1() #0 { ret void }
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define void @no-save2() #0 { ret void }
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define void @reg-save() #0 { ret void }
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define void @stack-save() #0 { ret void }
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attributes #0 = { minsize noinline noredzone "no-frame-pointer-elim"="true" }
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...
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---
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name: no-save1
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $lr
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$lr = ORRXri $xzr, 1
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bb.1:
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; CHECK-LABEL: name: no-save1
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; CHECK: BL [[FN:@OUTLINED_FUNCTION_[0-9]+]]
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; CHECK-NOT: STRXpre
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; CHECK-NOT: $lr =
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; CHECK-NOT: ORRXrs
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$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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bb.2:
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RET undef $lr
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...
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---
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name: no-save2
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $lr
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$lr = ORRXri $xzr, 1
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bb.1:
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; CHECK-LABEL: name: no-save2
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; CHECK: BL [[FN]]
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; CHECK-NOT: STRXpre
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; CHECK-NOT: $lr =
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; CHECK-NOT: ORRXrs
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$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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bb.2:
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RET undef $lr
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...
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---
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name: reg-save
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $lr
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$lr = ORRXri $xzr, 1
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bb.1:
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liveins: $lr
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; CHECK-LABEL: name: reg-save
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; CHECK: $[[REG:x[0-9]+]] = ORRXrs $xzr, $lr, 0
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; CHECK-NEXT: BL [[FN]]
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; CHECK-NEXT: $lr = ORRXrs $xzr, $[[REG]], 0
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$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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bb.2:
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liveins: $lr
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RET undef $lr
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...
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---
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name: stack-save
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $lr, $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x18, $x19, $x20, $x21, $x22, $x23, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $fp
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$lr = ORRXri $xzr, 1
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bb.1:
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liveins: $lr, $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x18, $x19, $x20, $x21, $x22, $x23, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $fp
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; CHECK-LABEL: name: stack-save
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; CHECK: $sp = STRXpre $lr, $sp, -16
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; CHECK-NEXT: BL [[FN]]
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; CHECK-NEXT: $sp, $lr = LDRXpost $sp, 16
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$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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bb.2:
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liveins: $lr, $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x18, $x19, $x20, $x21, $x22, $x23, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $fp
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RET undef $lr
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