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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/GlobalISel/translate-constant-dag.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

99 lines
3.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mtriple aarch64 -O0 -stop-after=instruction-select -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s
%dag = type { { { i8, { i8 } }, { { i8, { i8 } }, { i8 } } }, { { i8, { i8 } }, { i8 } } }
define void @test_const(ptr %dst) {
; CHECK-LABEL: name: test_const
; CHECK: bb.1.entry:
; CHECK-NEXT: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 10
; CHECK-NEXT: STRBBui [[MOVi32imm]], [[COPY]], 0 :: (store (i8) into %ir.dst)
; CHECK-NEXT: [[MOVi32imm1:%[0-9]+]]:gpr32 = MOVi32imm 20
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 1 :: (store (i8) into %ir.dst + 1)
; CHECK-NEXT: STRBBui [[MOVi32imm]], [[COPY]], 2 :: (store (i8) into %ir.dst + 2)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 3 :: (store (i8) into %ir.dst + 3)
; CHECK-NEXT: [[MOVi32imm2:%[0-9]+]]:gpr32 = MOVi32imm 50
; CHECK-NEXT: STRBBui [[MOVi32imm2]], [[COPY]], 4 :: (store (i8) into %ir.dst + 4)
; CHECK-NEXT: STRBBui [[MOVi32imm]], [[COPY]], 5 :: (store (i8) into %ir.dst + 5)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 6 :: (store (i8) into %ir.dst + 6)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 7 :: (store (i8) into %ir.dst + 7)
; CHECK-NEXT: STRBBui [[MOVi32imm]], [[COPY]], 0 :: (store (i8) into %ir.dst)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 1 :: (store (i8) into %ir.dst + 1)
; CHECK-NEXT: STRBBui [[MOVi32imm]], [[COPY]], 2 :: (store (i8) into %ir.dst + 2)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 3 :: (store (i8) into %ir.dst + 3)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 4 :: (store (i8) into %ir.dst + 4)
; CHECK-NEXT: STRBBui [[MOVi32imm]], [[COPY]], 5 :: (store (i8) into %ir.dst + 5)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 6 :: (store (i8) into %ir.dst + 6)
; CHECK-NEXT: STRBBui [[MOVi32imm1]], [[COPY]], 7 :: (store (i8) into %ir.dst + 7)
; CHECK-NEXT: RET_ReallyLR
entry:
%updated = insertvalue
; Check that we're visiting constants with shared parts
; (deduplicated via LLVMContext, forming a proper DAG) correctly:
%dag {
{ { i8, { i8 } }, { { i8, { i8 } }, { i8 } } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ { i8, { i8 } }, { i8 } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ i8 } { i8 20 }
}
},
{ { i8, { i8 } }, { i8 } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ i8 } { i8 20 }
}
},
{ { i8, { i8 } }, { i8 } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ i8 } { i8 50 }
},
0,
1
store %dag %updated, ptr %dst
; 10, 20, 10, 20, 50, 10, 20, 20 sequence is expected
store
; Check that we didn't overwrite a previously seen constant
; while processing an insertvalue into it:
%dag {
{ { i8, { i8 } }, { { i8, { i8 } }, { i8 } } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ { i8, { i8 } }, { i8 } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ i8 } { i8 20 }
}
},
{ { i8, { i8 } }, { i8 } } {
{ i8, { i8 } } {
i8 10,
{ i8 } { i8 20 }
},
{ i8 } { i8 20 }
}
},
ptr %dst
; 10, 20, 10, 20, 20, 10, 20, 20 sequence is expected
ret void
}