107 lines
4.7 KiB
MLIR
107 lines
4.7 KiB
MLIR
// RUN: mlir-opt %s --pass-pipeline='builtin.module(llvm.func(mem2reg{region-simplify=false}))' | FileCheck %s
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llvm.func @use(i64)
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llvm.func @use_ptr(!llvm.ptr)
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#di_basic_type = #llvm.di_basic_type<tag = DW_TAG_base_type, name = "ptr sized type", sizeInBits = 64>
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#di_file = #llvm.di_file<"test.ll" in "">
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#di_compile_unit = #llvm.di_compile_unit<id = distinct[0]<>, sourceLanguage = DW_LANG_C_plus_plus_14, file = #di_file, producer = "clang", isOptimized = false, emissionKind = Full>
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#di_subprogram = #llvm.di_subprogram<compileUnit = #di_compile_unit, scope = #di_file, name = "blah", linkageName = "blah", file = #di_file, line = 7, subprogramFlags = Definition>
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// CHECK: #[[$VAR:.*]] = #llvm.di_local_variable<{{.*}}name = "ptr sized var"{{.*}}>
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#di_local_variable = #llvm.di_local_variable<scope = #di_subprogram, name = "ptr sized var", file = #di_file, line = 7, arg = 1, type = #di_basic_type>
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#di_local_variable_2 = #llvm.di_local_variable<scope = #di_subprogram, name = "ptr sized var 2", file = #di_file, line = 7, arg = 1, type = #di_basic_type>
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// CHECK-LABEL: llvm.func @basic_store_load
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llvm.func @basic_store_load(%arg0: i64) -> i64 {
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%0 = llvm.mlir.constant(1 : i32) : i32
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// CHECK-NOT: = llvm.alloca
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%1 = llvm.alloca %0 x i64 {alignment = 8 : i64} : (i32) -> !llvm.ptr
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// CHECK-NOT: llvm.store
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llvm.store %arg0, %1 {alignment = 4 : i64} : i64, !llvm.ptr
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// CHECK-NOT: llvm.intr.dbg.declare
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llvm.intr.dbg.declare #di_local_variable = %1 : !llvm.ptr
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// CHECK: llvm.intr.dbg.value #[[$VAR]] = %[[LOADED:.*]] : i64
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// CHECK-NOT: llvm.intr.dbg.value
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// CHECK-NOT: llvm.intr.dbg.declare
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// CHECK-NOT: llvm.store
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%2 = llvm.load %1 {alignment = 4 : i64} : !llvm.ptr -> i64
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// CHECK: llvm.return %[[LOADED]] : i64
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llvm.return %2 : i64
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}
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// CHECK-LABEL: llvm.func @block_argument_value
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// CHECK-SAME: (%[[ARG0:.*]]: i64, {{.*}})
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llvm.func @block_argument_value(%arg0: i64, %arg1: i1) -> i64 {
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%0 = llvm.mlir.constant(1 : i32) : i32
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// CHECK-NOT: = llvm.alloca
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%1 = llvm.alloca %0 x i64 {alignment = 8 : i64} : (i32) -> !llvm.ptr
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// CHECK-NOT: llvm.intr.dbg.declare
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llvm.intr.dbg.declare #di_local_variable = %1 : !llvm.ptr
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llvm.cond_br %arg1, ^bb1, ^bb2
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// CHECK: ^{{.*}}:
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^bb1:
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// CHECK: llvm.intr.dbg.value #[[$VAR]] = %[[ARG0]]
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// CHECK-NOT: llvm.intr.dbg.value
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llvm.store %arg0, %1 {alignment = 4 : i64} : i64, !llvm.ptr
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llvm.br ^bb2
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// CHECK: ^{{.*}}(%[[BLOCKARG:.*]]: i64):
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^bb2:
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// CHECK: llvm.intr.dbg.value #[[$VAR]] = %[[BLOCKARG]]
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%2 = llvm.load %1 {alignment = 4 : i64} : !llvm.ptr -> i64
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llvm.return %2 : i64
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}
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// CHECK-LABEL: llvm.func @double_block_argument_value
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// CHECK-SAME: (%[[ARG0:.*]]: i64, {{.*}})
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llvm.func @double_block_argument_value(%arg0: i64, %arg1: i1) -> i64 {
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%0 = llvm.mlir.constant(1 : i32) : i32
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// CHECK-NOT: = llvm.alloca
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%1 = llvm.alloca %0 x i64 {alignment = 8 : i64} : (i32) -> !llvm.ptr
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// CHECK-NOT: llvm.intr.dbg.declare
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llvm.intr.dbg.declare #di_local_variable = %1 : !llvm.ptr
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llvm.cond_br %arg1, ^bb1, ^bb2
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// CHECK: ^{{.*}}(%[[BLOCKARG1:.*]]: i64):
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^bb1:
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// CHECK: llvm.intr.dbg.value #[[$VAR]] = %[[BLOCKARG1]]
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%2 = llvm.load %1 {alignment = 4 : i64} : !llvm.ptr -> i64
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llvm.call @use(%2) : (i64) -> ()
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// CHECK: llvm.intr.dbg.value #[[$VAR]] = %[[ARG0]]
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llvm.store %arg0, %1 {alignment = 4 : i64} : i64, !llvm.ptr
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llvm.br ^bb2
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// CHECK-NOT: llvm.intr.dbg.value
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// CHECK: ^{{.*}}(%[[BLOCKARG2:.*]]: i64):
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^bb2:
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// CHECK: llvm.intr.dbg.value #[[$VAR]] = %[[BLOCKARG2]]
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llvm.br ^bb1
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}
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// CHECK-LABEL: llvm.func @always_drop_promoted_declare
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// CHECK: %[[UNDEF:.*]] = llvm.mlir.undef
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// CHECK-NOT: = llvm.alloca
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// CHECK-NOT: llvm.intr.dbg.declare
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// CHECK: llvm.intr.dbg.value #{{.*}} = %[[UNDEF]]
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llvm.func @always_drop_promoted_declare() {
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%0 = llvm.mlir.constant(1 : i32) : i32
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%1 = llvm.alloca %0 x i64 {alignment = 8 : i64} : (i32) -> !llvm.ptr
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llvm.intr.dbg.declare #di_local_variable = %1 : !llvm.ptr
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llvm.intr.dbg.value #di_local_variable = %1 : !llvm.ptr
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llvm.return
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}
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// CHECK-LABEL: llvm.func @keep_dbg_if_not_promoted
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llvm.func @keep_dbg_if_not_promoted() {
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%0 = llvm.mlir.constant(1 : i32) : i32
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// CHECK: %[[ALLOCA:.*]] = llvm.alloca
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%1 = llvm.alloca %0 x i64 {alignment = 8 : i64} : (i32) -> !llvm.ptr
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// CHECK-NOT: = llvm.alloca
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// CHECK-NOT: llvm.intr.dbg.declare
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// CHECK: llvm.intr.dbg.declare #[[$VAR]] = %[[ALLOCA]]
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// CHECK-NOT: = llvm.alloca
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// CHECK-NOT: llvm.intr.dbg.declare
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// CHECK: llvm.call @use_ptr(%[[ALLOCA]])
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llvm.intr.dbg.declare #di_local_variable = %1 : !llvm.ptr
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%2 = llvm.alloca %0 x i64 {alignment = 8 : i64} : (i32) -> !llvm.ptr
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llvm.intr.dbg.declare #di_local_variable_2 = %2 : !llvm.ptr
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llvm.call @use_ptr(%1) : (!llvm.ptr) -> ()
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llvm.return
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}
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