forked from OSchip/llvm-project
64 lines
3.9 KiB
LLVM
64 lines
3.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
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declare void @site_for_call_safpeoint()
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; derived %merged_value base %merged_value.base
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define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) 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_X:%.*]], label [[HERE:%.*]], label [[THERE:%.*]]
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; CHECK: here:
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; CHECK-NEXT: br i1 [[RUNTIME_CONDITION_Y:%.*]], label [[BUMP_HERE_A:%.*]], label [[BUMP_HERE_B:%.*]]
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; CHECK: bump_here_a:
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; CHECK-NEXT: [[X_A:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ_X:%.*]], i32 1
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; CHECK-NEXT: br label [[MERGE_HERE:%.*]]
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; CHECK: bump_here_b:
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; CHECK-NEXT: [[X_B:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ_Y:%.*]], i32 2
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; CHECK-NEXT: br label [[MERGE_HERE]]
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; CHECK: merge_here:
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; CHECK-NEXT: [[X_BASE:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ_X]], [[BUMP_HERE_A]] ], [ [[BASE_OBJ_Y]], [[BUMP_HERE_B]] ], !is_base_value !0
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; CHECK-NEXT: [[X:%.*]] = phi i64 addrspace(1)* [ [[X_A]], [[BUMP_HERE_A]] ], [ [[X_B]], [[BUMP_HERE_B]] ]
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; CHECK-NEXT: br label [[MERGE:%.*]]
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; CHECK: there:
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; CHECK-NEXT: [[Y:%.*]] = getelementptr i64, i64 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 i64 addrspace(1)* [ [[X_BASE]], [[MERGE_HERE]] ], [ [[BASE_OBJ_Y]], [[THERE]] ], !is_base_value !0
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; CHECK-NEXT: [[MERGED_VALUE:%.*]] = phi i64 addrspace(1)* [ [[X]], [[MERGE_HERE]] ], [ [[Y]], [[THERE]] ]
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; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[MERGED_VALUE]], i64 addrspace(1)* [[MERGED_VALUE_BASE]]) ]
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; CHECK-NEXT: [[MERGED_VALUE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
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; CHECK-NEXT: [[MERGED_VALUE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[MERGED_VALUE_RELOCATED]] to i64 addrspace(1)*
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; CHECK-NEXT: [[MERGED_VALUE_BASE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
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; CHECK-NEXT: [[MERGED_VALUE_BASE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[MERGED_VALUE_BASE_RELOCATED]] to i64 addrspace(1)*
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; CHECK-NEXT: ret i64 addrspace(1)* [[MERGED_VALUE_RELOCATED_CASTED]]
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;
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entry:
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br i1 %runtime_condition_x, label %here, label %there
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here: ; preds = %entry
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br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
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bump_here_a: ; preds = %here
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%x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
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br label %merge_here
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bump_here_b: ; preds = %here
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%x_b = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 2
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br label %merge_here
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merge_here: ; preds = %bump_here_b, %bump_here_a
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%x = phi i64 addrspace(1)* [ %x_a, %bump_here_a ], [ %x_b, %bump_here_b ]
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br label %merge
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there: ; preds = %entry
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%y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
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br label %merge
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merge: ; preds = %there, %merge_here
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%merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
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call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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ret i64 addrspace(1)* %merged_value
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}
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