derek.holloway
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49 lines
1.5 KiB
MLIR
49 lines
1.5 KiB
MLIR
// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
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// Regression test for https://github.com/llvm/llvm-project/issues/120254.
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omp.declare_reduction @add_reduction : !llvm.ptr alloc {
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%0 = llvm.mlir.constant(1 : i64) : i64
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%1 = llvm.alloca %0 x !llvm.struct<(ptr)> : (i64) -> !llvm.ptr
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omp.yield(%1 : !llvm.ptr)
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} init {
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^bb0(%arg0: !llvm.ptr, %arg1: !llvm.ptr):
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%6 = llvm.mlir.constant(1 : i32) : i32
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"llvm.intr.memcpy"(%arg1, %arg0, %6) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i32) -> ()
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omp.yield(%arg1 : !llvm.ptr)
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} combiner {
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^bb0(%arg0: !llvm.ptr, %arg1: !llvm.ptr):
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omp.yield(%arg0 : !llvm.ptr)
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} cleanup {
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^bb0(%arg0: !llvm.ptr):
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omp.yield
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}
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llvm.func @use_reduction() attributes {fir.bindc_name = "test"} {
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%6 = llvm.mlir.constant(1 : i32) : i32
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omp.parallel {
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%18 = llvm.mlir.constant(1 : i64) : i64
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%19 = llvm.alloca %18 x !llvm.struct<(ptr)> : (i64) -> !llvm.ptr
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omp.wsloop reduction(byref @add_reduction %19 -> %arg0 : !llvm.ptr) {
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omp.loop_nest (%arg1) : i32 = (%6) to (%6) inclusive step (%6) {
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omp.yield
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}
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}
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omp.terminator
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}
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llvm.return
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}
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// CHECK: omp.par.entry:
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// CHECK: %[[RED_REGION_ALLOC:.*]] = alloca { ptr }, i64 1, align 8
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// CHECK: %[[PAR_REG_VAL:.*]] = alloca { ptr }, i64 1, align 8
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// CHECK: omp.par.region:
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// CHECK: br label %omp.par.region1
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// CHECK: omp.par.region1:
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// CHECK: br label %omp.reduction.init
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// CHECK: omp.reduction.init:
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// CHECK: call void @llvm.memcpy{{.*}}(ptr %[[RED_REGION_ALLOC]], ptr %[[PAR_REG_VAL]], {{.*}})
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