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llvm-mirror/test/Transforms/OpenMP/deduplication.ll
Johannes Doerfert d5ca7458b9 [OpenMP][NFC] Reuse OMPIRBuilder struct ident_t handling in Clang 
Replace the `ident_t` handling in Clang with the methods offered by the
OMPIRBuilder. This cuts down on the clang code as well as the
differences between the two, making further transitions easier. Tests
have changed but there should not be a real functional change. The most
interesting difference is probably that we stop generating local ident_t
allocations for now and just use globals. Given that this happens only
with debug info, the location part of the `ident_t` is probably bigger
than the test anyway. As the location part is already a global, we can
avoid the allocation, memcpy, and store in favor of a constant global
that is slightly bigger. This can be revisited if there are
complications.

Reviewed By: ABataev

Differential Revision: https://reviews.llvm.org/D80735
2020-08-10 17:13:26 -05:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -openmpopt -S < %s | FileCheck %s
; RUN: opt -passes=openmpopt -S < %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
%struct.ident_t = type { i32, i32, i32, i32, i8* }
@0 = private unnamed_addr constant %struct.ident_t { i32 0, i32 34, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str0, i32 0, i32 0) }, align 8
@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]* @.str1, i32 0, i32 0) }, align 8
@2 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str2, i32 0, i32 0) }, align 8
@.str0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
@.str1 = private unnamed_addr constant [23 x i8] c";file001;loc0001;0;0;;\00", align 1
@.str2 = private unnamed_addr constant [23 x i8] c";file002;loc0002;0;0;;\00", align 1
; UTC_ARGS: --disable
; CHECK-DAG: @0 = private unnamed_addr constant %struct.ident_t { i32 0, i32 34, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str0, i32 0, i32 0) }, align 8
; CHECK-DAG: @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]* @.str1, i32 0, i32 0) }, align 8
; CHECK-DAG: @2 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str2, i32 0, i32 0) }, align 8
; CHECK-DAG: @.str0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
; CHECK-DAG: @.str1 = private unnamed_addr constant [23 x i8] c";file001;loc0001;0;0;;\00", align 1
; CHECK-DAG: @.str2 = private unnamed_addr constant [23 x i8] c";file002;loc0002;0;0;;\00", align 1
; CHECK-DAG: @3 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str0, i32 0, i32 0) }, align 8
; UTC_ARGS: --enable
declare i32 @__kmpc_global_thread_num(%struct.ident_t*)
declare void @useI32(i32)
define void @external(i1 %c) {
; CHECK-LABEL: define {{[^@]+}}@external
; CHECK-SAME: (i1 [[C:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C2:%.*]] = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
; CHECK-NEXT: br i1 [[C]], label [[T:%.*]], label [[E:%.*]]
; CHECK: t:
; CHECK-NEXT: call void @internal(i32 [[C2]], i32 [[C2]])
; CHECK-NEXT: call void @useI32(i32 [[C2]])
; CHECK-NEXT: br label [[M:%.*]]
; CHECK: e:
; CHECK-NEXT: call void @internal(i32 [[C2]], i32 [[C2]])
; CHECK-NEXT: call void @useI32(i32 [[C2]])
; CHECK-NEXT: br label [[M]]
; CHECK: m:
; CHECK-NEXT: call void @internal(i32 0, i32 [[C2]])
; CHECK-NEXT: call void @useI32(i32 [[C2]])
; CHECK-NEXT: ret void
;
entry:
br i1 %c, label %t, label %e
t:
%c0 = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
call void @internal(i32 %c0, i32 %c0)
call void @useI32(i32 %c0)
br label %m
e:
%c1 = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
call void @internal(i32 %c1, i32 %c1)
call void @useI32(i32 %c1)
br label %m
m:
%c2 = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
call void @internal(i32 0, i32 %c2)
call void @useI32(i32 %c2)
ret void
}
define internal void @internal(i32 %not_gtid, i32 %gtid) {
; CHECK-LABEL: define {{[^@]+}}@internal
; CHECK-SAME: (i32 [[NOT_GTID:%.*]], i32 [[GTID:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[GTID]], [[GTID]]
; CHECK-NEXT: br i1 [[C]], label [[T:%.*]], label [[E:%.*]]
; CHECK: t:
; CHECK-NEXT: call void @useI32(i32 [[GTID]])
; CHECK-NEXT: call void @external(i1 [[C]])
; CHECK-NEXT: br label [[M:%.*]]
; CHECK: e:
; CHECK-NEXT: call void @useI32(i32 [[GTID]])
; CHECK-NEXT: br label [[M]]
; CHECK: m:
; CHECK-NEXT: call void @useI32(i32 [[GTID]])
; CHECK-NEXT: ret void
;
entry:
%cc = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
%c = icmp eq i32 %cc, %gtid
br i1 %c, label %t, label %e
t:
%c0 = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
call void @useI32(i32 %c0)
call void @external(i1 %c)
br label %m
e:
%c1 = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
call void @useI32(i32 %c1)
br label %m
m:
%c2 = tail call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @0)
call void @useI32(i32 %c2)
ret void
}
define void @local_and_global_gtid_calls() {
; CHECK-LABEL: define {{[^@]+}}@local_and_global_gtid_calls()
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TID5:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @3)
; CHECK-NEXT: [[DOTKMPC_LOC_ADDR:%.*]] = alloca [[STRUCT_IDENT_T:%.*]], align 8
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: ret void
;
entry:
%.kmpc_loc.addr = alloca %struct.ident_t, align 8
%tid0 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr)
%tid1 = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
%tid2 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr)
call void @useI32(i32 %tid0)
call void @useI32(i32 %tid1)
call void @useI32(i32 %tid2)
%tid3 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr)
%tid4 = call i32 @__kmpc_global_thread_num(%struct.ident_t* @2)
%tid5 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr)
call void @useI32(i32 %tid3)
call void @useI32(i32 %tid4)
call void @useI32(i32 %tid5)
ret void
}
define void @local_gtid_calls_only() {
; CHECK-LABEL: define {{[^@]+}}@local_gtid_calls_only()
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TID5:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @3)
; CHECK-NEXT: [[DOTKMPC_LOC_ADDR1:%.*]] = alloca [[STRUCT_IDENT_T:%.*]], align 8
; CHECK-NEXT: [[DOTKMPC_LOC_ADDR2:%.*]] = alloca [[STRUCT_IDENT_T]], align 8
; CHECK-NEXT: [[DOTKMPC_LOC_ADDR3:%.*]] = alloca [[STRUCT_IDENT_T]], align 8
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: ret void
;
entry:
%.kmpc_loc.addr1 = alloca %struct.ident_t, align 8
%.kmpc_loc.addr2 = alloca %struct.ident_t, align 8
%.kmpc_loc.addr3 = alloca %struct.ident_t, align 8
%tid0 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr1)
%tid1 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr2)
%tid2 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr3)
call void @useI32(i32 %tid0)
call void @useI32(i32 %tid1)
call void @useI32(i32 %tid2)
%tid3 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr1)
%tid4 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr2)
%tid5 = call i32 @__kmpc_global_thread_num(%struct.ident_t* %.kmpc_loc.addr3)
call void @useI32(i32 %tid3)
call void @useI32(i32 %tid4)
call void @useI32(i32 %tid5)
ret void
}
declare i32 @omp_get_level()
define void @local_and_global_glvl_calls() {
; CHECK-LABEL: define {{[^@]+}}@local_and_global_glvl_calls()
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TID5:%.*]] = call i32 @omp_get_level()
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: ret void
;
entry:
%tid0 = call i32 @omp_get_level()
%tid1 = call i32 @omp_get_level()
%tid2 = call i32 @omp_get_level()
call void @useI32(i32 %tid0)
call void @useI32(i32 %tid1)
call void @useI32(i32 %tid2)
%tid3 = call i32 @omp_get_level()
%tid4 = call i32 @omp_get_level()
%tid5 = call i32 @omp_get_level()
call void @useI32(i32 %tid3)
call void @useI32(i32 %tid4)
call void @useI32(i32 %tid5)
ret void
}
define void @local_glvl_calls_only() {
; CHECK-LABEL: define {{[^@]+}}@local_glvl_calls_only()
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TID5:%.*]] = call i32 @omp_get_level()
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: call void @useI32(i32 [[TID5]])
; CHECK-NEXT: ret void
;
entry:
%tid0 = call i32 @omp_get_level()
%tid1 = call i32 @omp_get_level()
%tid2 = call i32 @omp_get_level()
call void @useI32(i32 %tid0)
call void @useI32(i32 %tid1)
call void @useI32(i32 %tid2)
%tid3 = call i32 @omp_get_level()
%tid4 = call i32 @omp_get_level()
%tid5 = call i32 @omp_get_level()
call void @useI32(i32 %tid3)
call void @useI32(i32 %tid4)
call void @useI32(i32 %tid5)
ret void
}
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