06a8a867d1
As a pragmatic tradeoff, the ease of updating the tests outweighs the slightly easier to understand test conditions. Where revevant, debug output was converted to comments to help human understanding.
39 lines
2.5 KiB
LLVM
39 lines
2.5 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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; derived %next.i64 base %base_obj
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define void @test(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[OBJ:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ:%.*]], i32 1
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[DOT0:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED_CASTED:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[CURRENT:%.*]] = phi i64 addrspace(1)* [ [[OBJ]], [[ENTRY]] ], [ [[NEXT_I64_RELOCATED_CASTED:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[CURRENT_I32:%.*]] = bitcast i64 addrspace(1)* [[CURRENT]] to i32 addrspace(1)*
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; CHECK-NEXT: [[NEXT_I32:%.*]] = getelementptr i32, i32 addrspace(1)* [[CURRENT_I32]], i32 1
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; CHECK-NEXT: [[NEXT_I64:%.*]] = bitcast i32 addrspace(1)* [[NEXT_I32]] to i64 addrspace(1)*
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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 ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[NEXT_I64]], i64 addrspace(1)* [[DOT0]]) ]
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; CHECK-NEXT: [[NEXT_I64_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
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; CHECK-NEXT: [[NEXT_I64_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[NEXT_I64_RELOCATED]] to i64 addrspace(1)*
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; CHECK-NEXT: [[BASE_OBJ_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
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; CHECK-NEXT: [[BASE_OBJ_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[BASE_OBJ_RELOCATED]] to i64 addrspace(1)*
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; CHECK-NEXT: br label [[LOOP]]
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;
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entry:
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%obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
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br label %loop
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loop: ; preds = %loop, %entry
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%current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next.i64, %loop ]
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%current.i32 = bitcast i64 addrspace(1)* %current to i32 addrspace(1)*
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%next.i32 = getelementptr i32, i32 addrspace(1)* %current.i32, i32 1
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%next.i64 = bitcast i32 addrspace(1)* %next.i32 to i64 addrspace(1)*
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call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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br label %loop
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}
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declare void @do_safepoint()
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