derek.holloway
7502bf64a4
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88 lines
5.1 KiB
MLIR
88 lines
5.1 KiB
MLIR
// RUN: mlir-translate --mlir-to-llvmir %s | FileCheck %s
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// Regression test for a compiler crash. Ensure that the insertion point is set
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// correctly when triggering the charbox hack multiple times.
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// Nonsense test code to minimally reproduce the issue.
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module {
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llvm.func @free(!llvm.ptr)
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llvm.func @malloc(i64) -> !llvm.ptr
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omp.private {type = private} @_QFEc2_private_box_heap_c8xU : !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8)> init {
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^bb0(%arg0: !llvm.ptr, %arg1: !llvm.ptr):
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%0 = llvm.mlir.constant(24 : i32) : i32
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%1 = llvm.mlir.constant(0 : i64) : i64
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%2 = llvm.mlir.constant(1 : i32) : i32
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%3 = llvm.alloca %2 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8)> {alignment = 8 : i64} : (i32) -> !llvm.ptr
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"llvm.intr.memcpy"(%3, %arg0, %0) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i32) -> ()
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%6 = llvm.ptrtoint %arg0 : !llvm.ptr to i64
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%7 = llvm.icmp "eq" %6, %1 : i64
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llvm.cond_br %7, ^bb1, ^bb2
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^bb1: // pred: ^bb0
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llvm.br ^bb3
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^bb2: // pred: ^bb0
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llvm.br ^bb3
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^bb3: // 2 preds: ^bb1, ^bb2
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omp.yield(%arg1 : !llvm.ptr)
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} dealloc {
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^bb0(%arg0: !llvm.ptr):
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omp.yield
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}
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omp.private {type = private} @_QFEc1_private_box_ptr_c8xU : !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8)> init {
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^bb0(%arg0: !llvm.ptr, %arg1: !llvm.ptr):
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%0 = llvm.mlir.constant(24 : i32) : i32
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%1 = llvm.mlir.constant(1 : i32) : i32
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%2 = llvm.alloca %1 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8)> {alignment = 8 : i64} : (i32) -> !llvm.ptr
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"llvm.intr.memcpy"(%2, %arg0, %0) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i32) -> ()
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omp.yield(%arg1 : !llvm.ptr)
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}
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llvm.func @_QQmain() {
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%0 = llvm.mlir.constant(1 : i64) : i64
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%1 = llvm.alloca %0 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8)> {bindc_name = "c2"} : (i64) -> !llvm.ptr
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%2 = llvm.alloca %0 x !llvm.struct<(ptr, i64, i32, i8, i8, i8, i8)> {bindc_name = "c1"} : (i64) -> !llvm.ptr
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omp.task private(@_QFEc1_private_box_ptr_c8xU %2 -> %arg0, @_QFEc2_private_box_heap_c8xU %1 -> %arg1 : !llvm.ptr, !llvm.ptr) {
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omp.terminator
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}
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llvm.return
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}
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}
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// CHECK-LABEL: @_QQmain() {
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// CHECK: %[[STRUCTARG:.*]] = alloca { ptr }, align 8
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// CHECK: %[[VAL_0:.*]] = alloca { ptr, i64, i32, i8, i8, i8, i8 }, i64 1, align 8
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// CHECK: br label %[[VAL_2:.*]]
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// CHECK: entry: ; preds = %[[VAL_3:.*]]
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// CHECK: br label %[[VAL_4:.*]]
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// CHECK: omp.private.init: ; preds = %[[VAL_2]]
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// CHECK: %[[VAL_5:.*]] = tail call ptr @malloc(i64 ptrtoint (ptr getelementptr ({ { ptr, i64, i32, i8, i8, i8, i8 }, { ptr, i64, i32, i8, i8, i8, i8 } }, ptr null, i32 1) to i64))
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// CHECK: %[[VAL_6:.*]] = getelementptr { { ptr, i64, i32, i8, i8, i8, i8 }, { ptr, i64, i32, i8, i8, i8, i8 } }, ptr %[[VAL_5]], i32 0, i32 0
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// CHECK: %[[VAL_7:.*]] = getelementptr { { ptr, i64, i32, i8, i8, i8, i8 }, { ptr, i64, i32, i8, i8, i8, i8 } }, ptr %[[VAL_5]], i32 0, i32 1
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// ...
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// CHECK: br label %[[VAL_9:.*]]
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// CHECK: omp.private.init4: ; preds = %[[VAL_10:.*]], %[[VAL_11:.*]]
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// CHECK: br label %[[VAL_12:.*]]
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// CHECK: omp.private.init3: ; preds = %[[VAL_9]]
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// CHECK: br label %[[VAL_13:.*]]
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// CHECK: omp.private.init2: ; preds = %[[VAL_9]]
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// CHECK: br label %[[VAL_13]]
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// CHECK: omp.private.init1: ; preds = %[[VAL_4]]
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// CHECK: %[[VAL_14:.*]] = alloca { ptr, i64, i32, i8, i8, i8, i8 }, align 8
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// CHECK: call void @llvm.memcpy.p0.p0.i32(ptr %[[VAL_14]], ptr %[[VAL_0]], i32 24, i1 false)
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// CHECK: %[[VAL_15:.*]] = ptrtoint ptr %[[VAL_0]] to i64
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// CHECK: %[[VAL_16:.*]] = icmp eq i64 %[[VAL_15]], 0
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// CHECK: br i1 %[[VAL_16]], label %[[VAL_10]], label %[[VAL_11]]
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// CHECK: omp.region.cont: ; preds = %[[VAL_13]]
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// CHECK: %[[VAL_17:.*]] = phi ptr [ %[[VAL_7]], %[[VAL_13]] ]
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// CHECK: br label %[[VAL_18:.*]]
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// CHECK: omp.private.copy: ; preds = %[[VAL_12]]
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// CHECK: br label %[[VAL_19:.*]]
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// CHECK: omp.task.start: ; preds = %[[VAL_18]]
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// CHECK: br label %[[VAL_20:.*]]
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// CHECK: codeRepl: ; preds = %[[VAL_19]]
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// CHECK: %[[VAL_21:.*]] = getelementptr { ptr }, ptr %[[STRUCTARG]], i32 0, i32 0
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// CHECK: store ptr %[[VAL_5]], ptr %[[VAL_21]], align 8
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// CHECK: %[[VAL_22:.*]] = call i32 @__kmpc_global_thread_num(ptr @1)
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// CHECK: %[[VAL_23:.*]] = call ptr @__kmpc_omp_task_alloc(ptr @1, i32 %[[VAL_22]], i32 1, i64 40, i64 8, ptr @_QQmain..omp_par)
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// CHECK: %[[VAL_24:.*]] = load ptr, ptr %[[VAL_23]], align 8
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// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %[[VAL_24]], ptr align 1 %[[STRUCTARG]], i64 8, i1 false)
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// CHECK: %[[VAL_25:.*]] = call i32 @__kmpc_omp_task(ptr @1, i32 %[[VAL_22]], ptr %[[VAL_23]])
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