119 lines
3.7 KiB
LLVM
119 lines
3.7 KiB
LLVM
; Test that we can correctly handle vectors of pointers in statepoint
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; rewriting.
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; RUN: opt < %s -rewrite-statepoints-for-gc -S | FileCheck %s
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; A non-vector relocation for comparison
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define i64 addrspace(1)* @test(i64 addrspace(1)* %obj) gc "statepoint-example" {
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; CHECK-LABEL: test
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; CHECK: gc.statepoint
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret i64 addrspace(1)*
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; A base vector from a argument
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entry:
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call void @do_safepoint() [ "deopt"() ]
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ret i64 addrspace(1)* %obj
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}
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; A vector argument
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define <2 x i64 addrspace(1)*> @test2(<2 x i64 addrspace(1)*> %obj) gc "statepoint-example" {
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; CHECK-LABEL: test2
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; CHECK-NEXT: gc.statepoint
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
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call void @do_safepoint() [ "deopt"() ]
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ret <2 x i64 addrspace(1)*> %obj
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}
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; A load
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define <2 x i64 addrspace(1)*> @test3(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
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; CHECK-LABEL: test3
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; CHECK: load
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; CHECK-NEXT: gc.statepoint
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
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entry:
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%obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
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call void @do_safepoint() [ "deopt"() ]
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ret <2 x i64 addrspace(1)*> %obj
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}
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declare i32 @fake_personality_function()
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; When a statepoint is an invoke rather than a call
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define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" personality i32 ()* @fake_personality_function {
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; CHECK-LABEL: test4
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; CHECK: load
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; CHECK-NEXT: gc.statepoint
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entry:
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%obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
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invoke void @do_safepoint() [ "deopt"() ]
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to label %normal_return unwind label %exceptional_return
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normal_return: ; preds = %entry
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; CHECK-LABEL: normal_return:
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; CHECK: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
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ret <2 x i64 addrspace(1)*> %obj
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exceptional_return: ; preds = %entry
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; CHECK-LABEL: exceptional_return:
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; CHECK: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
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%landing_pad4 = landingpad token
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cleanup
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ret <2 x i64 addrspace(1)*> %obj
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}
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; A newly created vector
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define <2 x i64 addrspace(1)*> @test5(i64 addrspace(1)* %p) gc "statepoint-example" {
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; CHECK-LABEL: test5
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; CHECK: insertelement
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; CHECK-NEXT: insertelement
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; CHECK-NEXT: gc.statepoint
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %vec.relocated.casted
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entry:
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%vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %p, i32 0
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call void @do_safepoint() [ "deopt"() ]
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ret <2 x i64 addrspace(1)*> %vec
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}
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; A merge point
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define <2 x i64 addrspace(1)*> @test6(i1 %cnd, <2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
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; CHECK-LABEL: test6
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entry:
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br i1 %cnd, label %taken, label %untaken
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taken: ; preds = %entry
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%obja = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
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br label %merge
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untaken: ; preds = %entry
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%objb = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
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br label %merge
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merge: ; preds = %untaken, %taken
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; CHECK-LABEL: merge:
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; CHECK-NEXT: = phi
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; CHECK-NEXT: = phi
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; CHECK-NEXT: gc.statepoint
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: gc.relocate
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
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%obj = phi <2 x i64 addrspace(1)*> [ %obja, %taken ], [ %objb, %untaken ]
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call void @do_safepoint() [ "deopt"() ]
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ret <2 x i64 addrspace(1)*> %obj
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}
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declare void @do_safepoint()
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