derek.holloway
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91 lines
3.9 KiB
YAML
91 lines
3.9 KiB
YAML
# RUN: llc -run-pass=aarch64-ldst-opt -aarch64-load-store-renaming=true -mattr=+reserve-x10 \
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# RUN: -mattr=+reserve-x11 -mattr=+reserve-x15 -mtriple=arm64-apple-iphoneos -verify-machineinstrs \
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# RUN: -o - %s | FileCheck --check-prefix=CHECK --check-prefix=PRESERVED %s
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# RUN: llc -run-pass=aarch64-ldst-opt -aarch64-load-store-renaming=true -mtriple=arm64-apple-iphoneos \
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# RUN: -verify-machineinstrs -o - %s | FileCheck --check-prefix=CHECK --check-prefix=NOPRES %s
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# Make sure we do not pick reserved registers. For test1, we would pick x10,
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# and for test2 we would pick x15, both of which are reserved.
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#
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---
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# CHECK-LABEL: name: test1
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# CHECK: bb.0:
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# CHECK-NEXT: liveins: $x0, $x1
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# PRESERVED: $x9, renamable $x8 = LDPXi renamable $x0, 0 :: (load (s64))
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# NOPRES: $x10, renamable $x8 = LDPXi renamable $x0, 0 :: (load (s64))
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# CHECK: renamable $x9 = LDRXui renamable $x0, 1 :: (load (s64))
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# CHECK-NEXT: STRXui renamable $x9, renamable $x0, 100 :: (store (s64), align 4)
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# CHECK-NEXT: renamable $x8 = ADDXrr $x8, $x8
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# PRESERVED-NEXT: STRXui renamable $x8, renamable $x0, 10 :: (store (s64), align 4)
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# NOPRES-NEXT: STPXi renamable $x8, killed $x10, renamable $x0, 10 :: (store (s64), align 4)
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# CHECK-NEXT: RET undef $lr
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name: test1
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alignment: 4
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tracksRegLiveness: true
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liveins:
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- { reg: '$x0' }
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- { reg: '$x1' }
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- { reg: '$x8' }
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frameInfo:
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maxAlignment: 1
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maxCallFrameSize: 0
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $x0, $x1
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renamable $x9, renamable $x8 = LDPXi renamable $x0, 0 :: (load (s64))
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STRXui renamable killed $x9, renamable $x0, 11 :: (store (s64), align 4)
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renamable $x9 = LDRXui renamable $x0, 1 :: (load (s64))
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STRXui renamable $x9, renamable $x0, 100 :: (store (s64), align 4)
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renamable $x8 = ADDXrr $x8, $x8
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STRXui renamable $x8, renamable $x0, 10 :: (store (s64), align 4)
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RET undef $lr
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...
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# CHECK-LABEL: name: test2
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# CHECK: bb.0:
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# CHECK-NEXT: liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x9, $x10, $x11, $x12, $x13
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# CHECK: renamable $w19 = LDRWui renamable $x0, 0 :: (load (s64))
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# PRESERVED-NEXT: renamable $x9, renamable $x8 = LDPXi renamable $x0, 1 :: (load (s64))
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# NOPRES-NEXT: renamable $x9, renamable $x8 = LDPXi renamable $x0, 1 :: (load (s64))
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# CHECK-NEXT: STRXui killed renamable $x9, renamable $x0, 11 :: (store (s64), align 4)
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# CHECK-NEXT: renamable $x9 = LDRXui renamable $x0, 3 :: (load (s64))
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# CHECK-NEXT: renamable $x14 = LDRXui renamable $x0, 5 :: (load (s64))
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# PRESERVED-NEXT: STRXui renamable $x9, renamable $x0, 10 :: (store (s64), align 4)
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# NOPRES-NEXT: STRXui renamable $x9, renamable $x0, 10 :: (store (s64), align 4)
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# CHECK-NEXT: STRXui killed renamable $x14, renamable $x0, 200 :: (store (s64), align 4)
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# CHECK-NEXT: renamable $w8 = ADDWrr $w19, $w19
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# CHECK-NEXT: STRWui renamable $w8, renamable $x0, 100 :: (store (s64), align 4)
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# CHECK-NEXT: RET undef $lr
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#
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name: test2
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alignment: 4
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tracksRegLiveness: true
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liveins:
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- { reg: '$x0' }
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- { reg: '$x1' }
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- { reg: '$x8' }
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frameInfo:
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maxAlignment: 1
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maxCallFrameSize: 0
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x9, $x10, $x11, $x12, $x13
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renamable $w19 = LDRWui renamable $x0, 0 :: (load (s64))
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renamable $x9, renamable $x8 = LDPXi renamable $x0, 1 :: (load (s64))
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STRXui renamable killed $x9, renamable $x0, 11 :: (store (s64), align 4)
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renamable $x9 = LDRXui renamable $x0, 3 :: (load (s64))
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renamable $x14 = LDRXui renamable $x0, 5 :: (load (s64))
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STRXui renamable $x9, renamable $x0, 10 :: (store (s64), align 4)
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STRXui renamable killed $x14, renamable $x0, 200 :: (store (s64), align 4)
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renamable $w8 = ADDWrr $w19, $w19
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STRWui renamable $w8, renamable $x0, 100 :: (store (s64), align 4)
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RET undef $lr
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...
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---
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