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[GISelValueTracking] Baseline test for G_PTRTOADDR #143815

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[GISelValueTracking] Baseline test for G_PTRTOADDR #143815

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108 changes: 108 additions & 0 deletions llvm/test/CodeGen/AMDGPU/GlobalISel/knownbits-ptrtoaddr.mir
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# NOTE: Assertions have been autogenerated by utils/update_givaluetracking_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn -passes="print<gisel-value-tracking>" %s -filetype=null 2>&1 | FileCheck %s
## Check that we don't incorrectly assume known zeroes for and extend of a truncated ptrtoaddr
---
## We should see 48 unknown bits.
name: PtrToAddr
body: |
bb.0:
; CHECK-LABEL: name: @PtrToAddr
; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %1:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %5:_ KnownBits:???????????????????????????????????????????????? SignBits:1
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = COPY $vgpr3
%4:_(p8) = G_MERGE_VALUES %0(s32), %1(s32), %2(s32), %3(s32)
%5:_(s48) = G_PTRTOADDR %4(p8)
...
---
## We should see 208 high zeroes followed by 48 unknown bits for extending PtrToAddr.
## FIXME: this is currently wrong
name: PtrToAddrExt
body: |
bb.0:
; CHECK-LABEL: name: @PtrToAddrExt
; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %1:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %5:_ KnownBits:00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SignBits:128
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = COPY $vgpr3
%4:_(p8) = G_MERGE_VALUES %0(s32), %1(s32), %2(s32), %3(s32)
%5:_(s256) = G_PTRTOADDR %4(p8)
...
---
## We should see 32 unknown bits for truncating PtrToAddr.
name: PtrToAddrTrunc
body: |
bb.0:
; CHECK-LABEL: name: @PtrToAddrTrunc
; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %1:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %5:_ KnownBits:???????????????????????????????? SignBits:1
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = COPY $vgpr3
%4:_(p8) = G_MERGE_VALUES %0(s32), %1(s32), %2(s32), %3(s32)
%5:_(s32) = G_PTRTOADDR %4(p8)
...
---
## Cbeck that truncating and then extending the G_PTRTOADDR result fills
## all bits above the index bitwidth with known zeroes.
## We should see all zero high bits with 32 unknown bits.
name: PtrToAddrTruncExplicitExt
body: |
bb.0:
; CHECK-LABEL: name: @PtrToAddrTruncExplicitExt
; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %1:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %5:_ KnownBits:???????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %6:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %7:_ KnownBits:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000???????????????????????????????? SignBits:96
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = COPY $vgpr3
%4:_(p8) = G_MERGE_VALUES %0(s32), %1(s32), %2(s32), %3(s32)
%5:_(s48) = G_PTRTOADDR %4(p8)
%6:_(s32) = G_TRUNC %5(s48)
%7:_(s128) = G_ZEXT %6(s32)
...
---
## Same test again but this time have the G_PTRTOADDR do the truncation.
## We should see all zero high bits with 48 unknown bits.
name: PtrToAddrTruncImplicitExt
body: |
bb.0:
; CHECK-LABEL: name: @PtrToAddrTruncImplicitExt
; CHECK-NEXT: %0:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %1:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %2:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %3:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %4:_ KnownBits:???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %5:_ KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %6:_ KnownBits:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000???????????????????????????????? SignBits:96
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = COPY $vgpr3
%4:_(p8) = G_MERGE_VALUES %0(s32), %1(s32), %2(s32), %3(s32)
%5:_(s32) = G_PTRTOADDR %4(p8)
%6:_(s128) = G_ZEXT %5(s32)
...
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