8000 [AArch64][GlobalISel] Add a known-bits build vector test. NFC · llvm/llvm-project@c5ec668 · GitHub
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davemgreendavemgreen
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[AArch64][GlobalISel] Add a known-bits build vector test. NFC
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‎llvm/test/CodeGen/AArch64/GlobalISel/knownbits-buildvector.mir

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# NOTE: Assertions have been autogenerated by utils/update_givaluetracking_test_checks.py UTC_ARGS: --version 5
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# RUN: llc -mtriple aarch64 -passes="print<gisel-value-tracking>" %s -filetype=null 2>&1 | FileCheck %s
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---
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name: const
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body: |
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bb.1:
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; CHECK-LABEL: name: @const
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; CHECK-NEXT: %0:_ KnownBits:00000011 SignBits:6
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; CHECK-NEXT: %1:_ KnownBits:00001010 SignBits:4
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; CHECK-NEXT: %2:_ KnownBits:0000?01? SignBits:4
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%0:_(s8) = G_CONSTANT i8 3
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%1:_(s8) = G_CONSTANT i8 10
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%2:_(<2 x s8>) = G_BUILD_VECTOR %0, %1
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...
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---
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name: const_lane1
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body: |
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bb.1:
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; CHECK-LABEL: name: @const_lane1
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; CHECK-NEXT: %0:_ KnownBits:00000011 SignBits:6
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; CHECK-NEXT: %1:_ KnownBits:00001010 SignBits:4
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; CHECK-NEXT: %2:_ KnownBits:0000?01? SignBits:4
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; CHECK-NEXT: %idx:_ KnownBits:0000000000000000000000000000000000000000000000000000000000000001 SignBits:63
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; CHECK-NEXT: %4:_ KnownBits:???????? SignBits:1
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%0:_(s8) = G_CONSTANT i8 3
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%1:_(s8) = G_CONSTANT i8 10
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%2:_(<2 x s8>) = G_BUILD_VECTOR %0, %1
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%idx:_(s64) = G_CONSTANT i64 1
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%3:_(s8) = G_EXTRACT_VECTOR_ELT %2, %idx
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...
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---
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name: sextsignbits
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body: |
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bb.1:
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; CHECK-LABEL: name: @sextsignbits
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; CHECK-NEXT: %0:_ KnownBits:???????? SignBits:1
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; CHECK-NEXT: %1:_ KnownBits:???????????????? SignBits:1
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; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:25
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; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:17
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; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????? SignBits:17
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%0:_(s8) = COPY $b0
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%1:_(s16) = COPY $h1
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%2:_(s32) = G_SEXT %0
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%3:_(s32) = G_SEXT %1
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%4:_(<2 x s32>) = G_BUILD_VECTOR %2, %3
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...
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---
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name: sextsignbits_lane1
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body: |
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bb.1:
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; CHECK-LABEL: name: @sextsignbits_lane1
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; CHECK-NEXT: %0:_ KnownBits:???????? SignBits:1
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; CHECK-NEXT: %1:_ KnownBits:???????????????? SignBits:1
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; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:25
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; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:17
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; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????? SignBits:17
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; CHECK-NEXT: %idx:_ KnownBits:0000000000000000000000000000000000000000000000000000000000000001 SignBits:63
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; CHECK-NEXT: %6:_ KnownBits:???????????????????????????????? SignBits:1
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%0:_(s8) = COPY $b0
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%1:_(s16) = COPY $h1
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%2:_(s32) = G_SEXT %0
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%3:_(s32) = G_SEXT %1
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%4:_(<2 x s32>) = G_BUILD_VECTOR %2, %3
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%idx:_(s64) = G_CONSTANT i64 1
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%5:_(s32) = G_EXTRACT_VECTOR_ELT %4, %idx
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...

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