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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/GlobalISel/known-bits-sbfe.mir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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# NOTE: Assertions have been autogenerated by utils/update_givaluetracking_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -passes='print<gisel-value-tracking>' %s -filetype=null 2>&1 | FileCheck %s
---
name: test_s_bfe_u32_constants
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_u32_constants
; CHECK-NEXT: %cst:sgpr_32 KnownBits:00000000000000001111111111111111 SignBits:16
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:00000000000000000000000000001111 SignBits:28
%cst:sgpr_32(s32) = G_CONSTANT i32 65535
%bfe:sgpr_32(s32) = S_BFE_U32 %cst, 262156, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_i32_constants
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_i32_constants
; CHECK-NEXT: %cst:sgpr_32 KnownBits:00000000000000001111111111111111 SignBits:16
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:11111111111111111111111111111111 SignBits:32
%cst:sgpr_32(s32) = G_CONSTANT i32 65535
%bfe:sgpr_32(s32) = S_BFE_I32 %cst, 262156, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_u64_constants
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_u64_constants
; CHECK-NEXT: %cst:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001111111111111111 SignBits:48
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000000000000000001111 SignBits:60
%cst:sgpr_64(s64) = G_CONSTANT i64 65535
%bfe:sgpr_64(s64) = S_BFE_U64 %cst, 262156, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_i64_constants
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_i64_constants
; CHECK-NEXT: %cst:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001111111111111111 SignBits:48
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:1111111111111111111111111111111111111111111111111111111111111111 SignBits:64
%cst:sgpr_64(s64) = G_CONSTANT i64 65535
%bfe:sgpr_64(s64) = S_BFE_I64 %cst, 262156, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_u32_middle_bits_unknown
body: |
bb.0:
; Extract [8:16) but the middle 4 bits are ????
liveins: $sgpr0
; CHECK-LABEL: name: @test_s_bfe_u32_middle_bits_unknown
; CHECK-NEXT: %input:sgpr_32 KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %cst:sgpr_32 KnownBits:00000000000000001100001111111111 SignBits:16
; CHECK-NEXT: %mask:sgpr_32 KnownBits:00000000000000000011110000000000 SignBits:18
; CHECK-NEXT: %masked_input:sgpr_32 KnownBits:000000000000000000????0000000000 SignBits:18
; CHECK-NEXT: %merged:sgpr_32 KnownBits:000000000000000011????1111111111 SignBits:16
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:00000000000000000000000011????11 SignBits:24
%input:sgpr_32(s32) = COPY $sgpr0
%cst:sgpr_32(s32) = G_CONSTANT i32 50175
%mask:sgpr_32(s32) = G_CONSTANT i32 15360
%masked_input:sgpr_32(s32) = G_AND %input, %mask
%merged:sgpr_32(s32) = G_OR %masked_input, %cst
%bfe:sgpr_32(s32) = S_BFE_U32 %merged, 524296, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_i32_middle_bits_unknown
body: |
bb.0:
; Extract [8:16) but the middle 4 bits are ????
liveins: $sgpr0
; CHECK-LABEL: name: @test_s_bfe_i32_middle_bits_unknown
; CHECK-NEXT: %input:sgpr_32 KnownBits:???????????????????????????????? SignBits:1
; CHECK-NEXT: %cst:sgpr_32 KnownBits:00000000000000001100001111111111 SignBits:16
; CHECK-NEXT: %mask:sgpr_32 KnownBits:00000000000000000011110000000000 SignBits:18
; CHECK-NEXT: %masked_input:sgpr_32 KnownBits:000000000000000000????0000000000 SignBits:18
; CHECK-NEXT: %merged:sgpr_32 KnownBits:000000000000000011????1111111111 SignBits:16
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:11111111111111111111111111????11 SignBits:26
%input:sgpr_32(s32) = COPY $sgpr0
%cst:sgpr_32(s32) = G_CONSTANT i32 50175
%mask:sgpr_32(s32) = G_CONSTANT i32 15360
%masked_input:sgpr_32(s32) = G_AND %input, %mask
%merged:sgpr_32(s32) = G_OR %masked_input, %cst
%bfe:sgpr_32(s32) = S_BFE_I32 %merged, 524296, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_u64_middle_bits_unknown
body: |
bb.0:
; Extract [8:16) but the middle 4 bits are ????
liveins: $sgpr0_sgpr1
; CHECK-LABEL: name: @test_s_bfe_u64_middle_bits_unknown
; CHECK-NEXT: %input:sgpr_64 KnownBits:???????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %cst:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001100001111111111 SignBits:48
; CHECK-NEXT: %mask:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000000011110000000000 SignBits:50
; CHECK-NEXT: %masked_input:sgpr_64 KnownBits:00000000000000000000000000000000000000000000000000????0000000000 SignBits:50
; CHECK-NEXT: %merged:sgpr_64 KnownBits:00000000000000000000000000000000000000000000000011????1111111111 SignBits:48
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000000000000011????11 SignBits:56
%input:sgpr_64(s64) = COPY $sgpr0_sgpr1
%cst:sgpr_64(s64) = G_CONSTANT i64 50175
%mask:sgpr_64(s64) = G_CONSTANT i64 15360
%masked_input:sgpr_64(s64) = G_AND %input, %mask
%merged:sgpr_64(s64) = G_OR %masked_input, %cst
%bfe:sgpr_64(s64) = S_BFE_U64 %merged, 524296, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_i64_middle_bits_unknown
body: |
bb.0:
; Extract [8:16) but the middle 4 bits are ????
liveins: $sgpr0_sgpr1
; CHECK-LABEL: name: @test_s_bfe_i64_middle_bits_unknown
; CHECK-NEXT: %input:sgpr_64 KnownBits:???????????????????????????????????????????????????????????????? SignBits:1
; CHECK-NEXT: %cst:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001100001111111111 SignBits:48
; CHECK-NEXT: %mask:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000000011110000000000 SignBits:50
; CHECK-NEXT: %masked_input:sgpr_64 KnownBits:00000000000000000000000000000000000000000000000000????0000000000 SignBits:50
; CHECK-NEXT: %merged:sgpr_64 KnownBits:00000000000000000000000000000000000000000000000011????1111111111 SignBits:48
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:1111111111111111111111111111111111111111111111111111111111????11 SignBits:58
%input:sgpr_64(s64) = COPY $sgpr0_sgpr1
%cst:sgpr_64(s64) = G_CONSTANT i64 50175
%mask:sgpr_64(s64) = G_CONSTANT i64 15360
%masked_input:sgpr_64(s64) = G_AND %input, %mask
%merged:sgpr_64(s64) = G_OR %masked_input, %cst
%bfe:sgpr_64(s64) = S_BFE_I64 %merged, 524296, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_i32_g_constants
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_i32_g_constants
; CHECK-NEXT: %src0:sgpr_32 KnownBits:00000000000000001111111111111111 SignBits:16
; CHECK-NEXT: %src1:sgpr_32 KnownBits:00000000000001000000000000001100 SignBits:13
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:11111111111111111111111111111111 SignBits:32
%src0:sgpr_32(s32) = G_CONSTANT i32 65535
%src1:sgpr_32(s32) = G_CONSTANT i32 262156
%bfe:sgpr_32(s32) = S_BFE_I32 %src0, %src1, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_u64_g_constants
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_u64_g_constants
; CHECK-NEXT: %src0:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001111111111111111 SignBits:48
; CHECK-NEXT: %src1:sgpr_32 KnownBits:00000000000001000000000000001100 SignBits:13
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000000000000000001111 SignBits:60
%src0:sgpr_64(s64) = G_CONSTANT i64 65535
%src1:sgpr_32(s32) = G_CONSTANT i32 262156
%bfe:sgpr_64(s64) = S_BFE_U64 %src0, %src1, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_i32_g_constants_lookthrough
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_i32_g_constants_lookthrough
; CHECK-NEXT: %src0:sgpr_32 KnownBits:00000000000000001111111111111111 SignBits:16
; CHECK-NEXT: %src1:sgpr_32 KnownBits:000001000000000000001100 SignBits:5
; CHECK-NEXT: %src1_ext:sgpr_32 KnownBits:00000000000001000000000000001100 SignBits:13
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:11111111111111111111111111111111 SignBits:32
%src0:sgpr_32(s32) = G_CONSTANT i32 65535
%src1:sgpr_32(s24) = G_CONSTANT i24 262156
%src1_ext:sgpr_32(s32) = G_ZEXT %src1
%bfe:sgpr_32(s32) = S_BFE_I32 %src0, %src1_ext, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_u64_g_constants_lookthrough
body: |
bb.0:
; Extract [12:16)
; CHECK-LABEL: name: @test_s_bfe_u64_g_constants_lookthrough
; CHECK-NEXT: %src0:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001111111111111111 SignBits:48
; CHECK-NEXT: %src1:sgpr_32 KnownBits:000001000000000000001100 SignBits:5
; CHECK-NEXT: %src1_ext:sgpr_32 KnownBits:00000000000001000000000000001100 SignBits:13
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000000000000000001111 SignBits:60
%src0:sgpr_64(s64) = G_CONSTANT i64 65535
%src1:sgpr_32(s24) = G_CONSTANT i24 262156
%src1_ext:sgpr_32(s32) = G_ZEXT %src1
%bfe:sgpr_64(s64) = S_BFE_U64 %src0, %src1, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_u32_trash_bits
body: |
bb.0:
; Extract [12:16)
; Check that the 6th bit is ignored for u32. The lower 6 bits are
; 101100 but we should mask out the first 1 for the 32 bit version.
; CHECK-LABEL: name: @test_s_bfe_u32_trash_bits
; CHECK-NEXT: %cst:sgpr_32 KnownBits:00000000000000001111111111111111 SignBits:16
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:00000000000000000000000000001111 SignBits:28
%cst:sgpr_32(s32) = G_CONSTANT i32 65535
%bfe:sgpr_32(s32) = S_BFE_U32 %cst, 262252, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_i32_trash_bits
body: |
bb.0:
; Extract [12:16)
; Check that the 6th bit is ignored for i32. The lower 6 bits are
; 101100 but we should mask out the first 1 for the 32 bit version.
; CHECK-LABEL: name: @test_s_bfe_i32_trash_bits
; CHECK-NEXT: %cst:sgpr_32 KnownBits:00000000000000001111111111111111 SignBits:16
; CHECK-NEXT: %bfe:sgpr_32 KnownBits:11111111111111111111111111111111 SignBits:32
%cst:sgpr_32(s32) = G_CONSTANT i32 65535
%bfe:sgpr_32(s32) = S_BFE_I32 %cst, 262252, implicit-def $scc
$sgpr0 = COPY %bfe
...
---
name: test_s_bfe_u64_constants_sixth_bit
body: |
bb.0:
; Extract [32:48)
; Check we correctly read 6 bits for the width on 64 bit BFEs.
; CHECK-LABEL: name: @test_s_bfe_u64_constants_sixth_bit
; CHECK-NEXT: %cst:sgpr_64 KnownBits:0000000000000000111111111111111100000000000000000000000000000000 SignBits:16
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:0000000000000000000000000000000000000000000000001111111111111111 SignBits:48
%cst:sgpr_64(s64) = G_CONSTANT i64 281470681743360
%bfe:sgpr_64(s64) = S_BFE_U64 %cst, 1048608, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...
---
name: test_s_bfe_i64_constants_sixth_bit
body: |
bb.0:
; Extract [32:48)
; Check we correctly read 6 bits for the width on 64 bit BFEs.
; CHECK-LABEL: name: @test_s_bfe_i64_constants_sixth_bit
; CHECK-NEXT: %cst:sgpr_64 KnownBits:0000000000000000111111111111111100000000000000000000000000000000 SignBits:16
; CHECK-NEXT: %bfe:sgpr_64 KnownBits:1111111111111111111111111111111111111111111111111111111111111111 SignBits:64
%cst:sgpr_64(s64) = G_CONSTANT i64 281470681743360
%bfe:sgpr_64(s64) = S_BFE_I64 %cst, 1048608, implicit-def $scc
$sgpr0_sgpr1 = COPY %bfe
...