derek.holloway
7502bf64a4
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45 lines
2.3 KiB
LLVM
45 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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declare void @foo()
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; derived %merged_value base %merged_value.base
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define ptr addrspace(1) @test(ptr addrspace(1) %base_obj_x, ptr addrspace(1) %base_obj_y, i1 %runtime_condition) gc "statepoint-example" {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[RUNTIME_CONDITION:%.*]], label [[HERE:%.*]], label [[THERE:%.*]]
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; CHECK: here:
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; CHECK-NEXT: br label [[BUMP:%.*]]
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; CHECK: bump:
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; CHECK-NEXT: br label [[MERGE:%.*]]
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; CHECK: there:
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; CHECK-NEXT: [[Y:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ_Y:%.*]], i32 1
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; CHECK-NEXT: br label [[MERGE]]
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; CHECK: merge:
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; CHECK-NEXT: [[MERGED_VALUE_BASE:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ_X:%.*]], [[BUMP]] ], [ [[BASE_OBJ_Y]], [[THERE]] ], !is_base_value !0
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; CHECK-NEXT: [[MERGED_VALUE:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ_X]], [[BUMP]] ], [ [[Y]], [[THERE]] ]
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; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(ptr addrspace(1) [[MERGED_VALUE]], ptr addrspace(1) [[MERGED_VALUE_BASE]]) ]
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; CHECK-NEXT: [[MERGED_VALUE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
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; CHECK-NEXT: [[MERGED_VALUE_BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
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; CHECK-NEXT: ret ptr addrspace(1) [[MERGED_VALUE_RELOCATED]]
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;
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entry:
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br i1 %runtime_condition, label %here, label %there
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here: ; preds = %entry
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br label %bump
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bump: ; preds = %here
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br label %merge
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there: ; preds = %entry
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%y = getelementptr i64, ptr addrspace(1) %base_obj_y, i32 1
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br label %merge
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merge: ; preds = %there, %bump
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%merged_value = phi ptr addrspace(1) [ %base_obj_x, %bump ], [ %y, %there ]
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call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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ret ptr addrspace(1) %merged_value
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}
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