llvm/test/CodeGen/AArch64/GlobalISel/knownbits-ctls.mir

# NOTE: Assertions have been autogenerated by utils/update_givaluetracking_test_checks.py UTC_ARGS: --version 6
# RUN: llc -mtriple=aarch64 -passes="print<gisel-value-tracking>" -filetype=null %s 2>&1 | FileCheck %s

---
name:            CTLSConst8AmbigousMaxSignbitNum
body:             |
  bb.1:
  ; NOTE: Currently we do not estimate max sign bits in KnownBits,
  ; so while we could get more accurate here, this is currently
  ; not possible.
  ; CHECK-LABEL: name: @CTLSConst8AmbigousMaxSignbitNum
  ; CHECK-NEXT: %0:_ KnownBits:???????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:00110000 SignBits:2
  ; CHECK-NEXT: %2:_ KnownBits:00001000 SignBits:4
  ; CHECK-NEXT: %3:_ KnownBits:00??0000 SignBits:2
  ; CHECK-NEXT: %4:_ KnownBits:00??1000 SignBits:2
  ; CHECK-NEXT: %5:_ KnownBits:00000??? SignBits:5
    %0:_(i8) = COPY $b0
    %1:_(i8) = G_CONSTANT i8 48
    %2:_(i8) = G_CONSTANT i8 8
    %3:_(i8) = G_AND %0, %1
    %4:_(i8) = G_OR %3, %2
    %5:_(i8) = G_CTLS %4
...

---
name:            CTLSNoKnown8
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSNoKnown8
  ; CHECK-NEXT: %0:_ KnownBits:???????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:0000000000000??? SignBits:13
    %0:_(i8) = COPY $b0
    %1:_(i16) = G_CTLS %0
...

---
name:            CTLSNoKnown16
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSNoKnown16
  ; CHECK-NEXT: %0:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:000000000000???? SignBits:12
    %0:_(i16) = COPY $h0
    %1:_(i16) = G_CTLS %0
...

---
name:            CTLSNoKnown32
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSNoKnown32
  ; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:00000000000????? SignBits:11
    %0:_(i32) = COPY $s0
    %1:_(i16) = G_CTLS %0
...


---
name:            CTLSHalfKnown8
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSHalfKnown8
  ; CHECK-NEXT: %0:_ KnownBits:???????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:00000100 SignBits:5
  ; CHECK-NEXT: %2:_ KnownBits:00000?00 SignBits:5
  ; CHECK-NEXT: %3:_ KnownBits:000001?? SignBits:5
    %0:_(i8) = COPY $b0
    %1:_(i8) = G_CONSTANT i8 4
    %2:_(i8) = G_AND %0, %1
    %3:_(i8) = G_CTLS %2
...

---
name:            CTLSHalfKnown16
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSHalfKnown16
  ; CHECK-NEXT: %0:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:0000000001000000 SignBits:9
  ; CHECK-NEXT: %2:_ KnownBits:000000000?000000 SignBits:9
  ; CHECK-NEXT: %3:_ KnownBits:0000000000001??? SignBits:12
    %0:_(i16) = COPY $h0
    %1:_(i16) = G_CONSTANT i16 64
    %2:_(i16) = G_AND %0, %1
    %3:_(i16) = G_CTLS %2
...

---
name:            CTLSHalfConst8Zero
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSHalfConst8Zero
  ; CHECK-NEXT: %0:_ KnownBits:00000000 SignBits:8
  ; CHECK-NEXT: %1:_ KnownBits:00000111 SignBits:5
    %0:_(i8) = G_CONSTANT i8 0
    %1:_(i8) = G_CTLS %0
...

---
name:            CTLSHalfConst16Zero
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSHalfConst16Zero
  ; CHECK-NEXT: %0:_ KnownBits:0000000000000000 SignBits:16
  ; CHECK-NEXT: %1:_ KnownBits:0000000000001111 SignBits:12
    %0:_(i16) = G_CONSTANT i16 0
    %1:_(i16) = G_CTLS %0
...

---
name:            VectorCTLSConst16Zero
body:             |
  bb.1:
  ; CHECK-LABEL: name: @VectorCTLSConst16Zero
  ; CHECK-NEXT: %0:_ KnownBits:0000000000000000 SignBits:16
  ; CHECK-NEXT: %1:_ KnownBits:0000000000000000 SignBits:16
  ; CHECK-NEXT: %2:_ KnownBits:0000000000001111 SignBits:12
    %0:_(i16) = G_CONSTANT i16 0
    %1:_(<4 x i16>) = G_BUILD_VECTOR %0, %0, %0, %0
    %3:_(<4 x i16>) = G_CTLS %1
...

---
name:            VectorCTLSNoneKnown
body:             |
  bb.1:
  ; CHECK-LABEL: name: @VectorCTLSNoneKnown
  ; CHECK-NEXT: %0:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:0000000000001000 SignBits:12
  ; CHECK-NEXT: %2:_ KnownBits:???????????????? SignBits:9
  ; CHECK-NEXT: %3:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %4:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %5:_ KnownBits:000000000000???? SignBits:12
    %0:_(i16) = COPY $h0
    %1:_(i16) = G_CONSTANT i16 8
    %2:_(i16) = G_ASHR %0, %1
    %3:_(i16) = COPY $h1
    %4:_(<4 x i16>) = G_BUILD_VECTOR %2, %3, %2, %3
    %5:_(<4 x i16>) = G_CTLS %4
...

---
name:            VectorCTLSHighBitKnown
body:             |
  bb.1:
  ; CHECK-LABEL: name: @VectorCTLSHighBitKnown
  ; CHECK-NEXT: %0:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:0000000000001000 SignBits:12
  ; CHECK-NEXT: %2:_ KnownBits:???????????????? SignBits:9
  ; CHECK-NEXT: %3:_ KnownBits:???????????????? SignBits:1
  ; CHECK-NEXT: %4:_ KnownBits:0000000000001010 SignBits:12
  ; CHECK-NEXT: %5:_ KnownBits:000000000000???? SignBits:12
  ; CHECK-NEXT: %6:_ KnownBits:???????????????? SignBits:9
  ; CHECK-NEXT: %7:_ KnownBits:0000000000001??? SignBits:12
    %0:_(i16) = COPY $h0
    %1:_(i16) = G_CONSTANT i16 8
    %2:_(i16) = G_ASHR %0, %1
    %3:_(i16) = COPY $h1
    %4:_(i16) = G_CONSTANT i16 10
    %5:_(i16) = G_ASHR %4, %5
    %6:_(<4 x i16>) = G_BUILD_VECTOR %2, %5, %2, %4
    %7:_(<4 x i16>) = G_CTLS %6
...

---
name:            CTLSLargeEnough
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSLargeEnough
  ; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:00000000000000000000000000010000 SignBits:27
  ; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:17
  ; CHECK-NEXT: %3:_ KnownBits:0000000000000000000000000001???? SignBits:27
    %0:_(i32) = COPY $s0
    %1:_(i32) = G_CONSTANT i32 16
    %2:_(i32) = G_ASHR %0, %1
    %3:_(i32) = G_CTLS %2
...

---
name:            CTLSTooSmallToTrigger
body:             |
  bb.1:
  ; CHECK-LABEL: name: @CTLSTooSmallToTrigger
  ; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
  ; CHECK-NEXT: %1:_ KnownBits:00000000000000000000000000001111 SignBits:28
  ; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:16
  ; CHECK-NEXT: %3:_ KnownBits:000000000000000000000000000????? SignBits:27
    %0:_(i32) = COPY $s0
    %1:_(i32) = G_CONSTANT i32 15
    %2:_(i32) = G_ASHR %0, %1
    %3:_(i32) = G_CTLS %2
...