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85a5c6ecfe
Deduplication in OpenMPOpt finds redundant OpenMP runtime calls and replaces them with a single call placed in the earliest safe location in the IR. When deduplication happens in a target region this patch makes sure replacement calls are put after target_init. Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D106556
67 lines
3.2 KiB
LLVM
67 lines
3.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt -openmp-opt-cgscc -S < %s | FileCheck %s
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; RUN: opt -passes=openmp-opt-cgscc -S < %s | FileCheck %s
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target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
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target triple = "nvptx64"
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%struct.ident_t = type { i32, i32, i32, i32, i8* }
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@0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
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@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @0, i32 0, i32 0) }, align 8
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@2 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 1, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @0, i32 0, i32 0) }, align 8
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@__omp_offloading_50_a3e09bf8_foo_l2_exec_mode = weak constant i8 0
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@llvm.compiler.used = appending global [1 x i8*] [i8* @__omp_offloading_50_a3e09bf8_foo_l2_exec_mode], section "llvm.metadata"
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declare void @use(i32)
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define weak void @__omp_offloading_50_a3e09bf8_foo_l2() #0 {
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; CHECK-LABEL: define {{[^@]+}}@__omp_offloading_50_a3e09bf8_foo_l2
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 8
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; CHECK-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1:[0-9]+]], i1 true, i1 false, i1 true)
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB2:[0-9]+]])
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; CHECK-NEXT: [[EXEC_USER_CODE:%.*]] = icmp eq i32 [[TMP0]], -1
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; CHECK-NEXT: br i1 [[EXEC_USER_CODE]], label [[USER_CODE_ENTRY:%.*]], label [[WORKER_EXIT:%.*]]
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; CHECK: user_code.entry:
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; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i1 true, i1 true)
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; CHECK-NEXT: ret void
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; CHECK: worker.exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%captured_vars_addrs = alloca [0 x i8*], align 8
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%0 = call i32 @__kmpc_target_init(%struct.ident_t* @1, i1 true, i1 false, i1 true)
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%exec_user_code = icmp eq i32 %0, -1
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br i1 %exec_user_code, label %user_code.entry, label %worker.exit
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user_code.entry: ; preds = %entry
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%1 = call i32 @__kmpc_global_thread_num(%struct.ident_t* @2)
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%2 = call i32 @__kmpc_global_thread_num(%struct.ident_t* @2)
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call void @__kmpc_target_deinit(%struct.ident_t* @1, i1 true, i1 true)
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ret void
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worker.exit: ; preds = %entry
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ret void
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}
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declare i32 @__kmpc_target_init(%struct.ident_t*, i1, i1, i1)
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declare i32 @__kmpc_global_thread_num(%struct.ident_t*) #1
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declare void @__kmpc_target_deinit(%struct.ident_t*, i1, i1)
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attributes #0 = { convergent noinline norecurse nounwind "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+ptx32,+sm_20" }
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attributes #1 = { nounwind }
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!omp_offload.info = !{!0}
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!nvvm.annotations = !{!1}
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!llvm.module.flags = !{!2, !3, !4}
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!0 = !{i32 0, i32 80, i32 -1545561096, !"foo", i32 2, i32 0}
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!1 = !{void ()* @__omp_offloading_50_a3e09bf8_foo_l2, !"kernel", i32 1}
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!2 = !{i32 1, !"wchar_size", i32 4}
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!3 = !{i32 7, !"openmp", i32 50}
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!4 = !{i32 7, !"openmp-device", i32 50}
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