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84c1d0a603
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.
38 lines
2.4 KiB
LLVM
38 lines
2.4 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 i1 @runtime_value() "gc-leaf-function"
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; derived %next base %base_obj
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define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
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; CHECK-LABEL: @maybe_GEP(
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; CHECK-NEXT: entry:
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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)* [ [[BASE_OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[CONDITION:%.*]] = call i1 @runtime_value()
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; CHECK-NEXT: [[MAYBE_NEXT:%.*]] = getelementptr i64, i64 addrspace(1)* [[CURRENT]], i32 1
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; CHECK-NEXT: [[NEXT:%.*]] = select i1 [[CONDITION]], i64 addrspace(1)* [[MAYBE_NEXT]], i64 addrspace(1)* [[CURRENT]]
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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 addrspace(1)* [[DOT0]]) ]
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; CHECK-NEXT: [[NEXT_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_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[NEXT_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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br label %loop
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loop: ; preds = %loop, %entry
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%current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ]
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%condition = call i1 @runtime_value()
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%maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
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%next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
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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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