; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that we can correctly handle vectors of pointers in statepoint
; rewriting.
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S | FileCheck %s
; A non-vector relocation for comparison
define ptr addrspace(1) @test(ptr addrspace(1) %obj) gc "statepoint-example" {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(ptr addrspace(1) [[OBJ:%.*]]) ]
; CHECK-NEXT: [[OBJ_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[OBJ_RELOCATED]]
;
; A base vector from a argument
entry:
call void @do_safepoint() [ "deopt"() ]
ret ptr addrspace(1) %obj
}
; A vector argument
define <2 x ptr addrspace(1)> @test2(<2 x ptr addrspace(1)> %obj) gc "statepoint-example" {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x ptr addrspace(1)> [[OBJ:%.*]]) ]
; CHECK-NEXT: [[OBJ_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[OBJ_RELOCATED]]
;
call void @do_safepoint() [ "deopt"() ]
ret <2 x ptr addrspace(1)> %obj
}
; A load
define <2 x ptr addrspace(1)> @test3(ptr %ptr) gc "statepoint-example" {
; CHECK-LABEL: @test3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[OBJ:%.*]] = load <2 x ptr addrspace(1)>, ptr [[PTR:%.*]], align 16
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x ptr addrspace(1)> [[OBJ]]) ]
; CHECK-NEXT: [[OBJ_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[OBJ_RELOCATED]]
;
entry:
%obj = load <2 x ptr addrspace(1)>, ptr %ptr
call void @do_safepoint() [ "deopt"() ]
ret <2 x ptr addrspace(1)> %obj
}
declare i32 @fake_personality_function()
; When a statepoint is an invoke rather than a call
define <2 x ptr addrspace(1)> @test4(ptr %ptr) gc "statepoint-example" personality ptr @fake_personality_function {
; CHECK-LABEL: @test4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[OBJ:%.*]] = load <2 x ptr addrspace(1)>, ptr [[PTR:%.*]], align 16
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x ptr addrspace(1)> [[OBJ]]) ]
; CHECK-NEXT: to label [[NORMAL_RETURN:%.*]] unwind label [[EXCEPTIONAL_RETURN:%.*]]
; CHECK: normal_return:
; CHECK-NEXT: [[OBJ_RELOCATED1:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[OBJ_RELOCATED1]]
; CHECK: exceptional_return:
; CHECK-NEXT: [[LANDING_PAD4:%.*]] = landingpad token
; CHECK-NEXT: cleanup
; CHECK-NEXT: [[OBJ_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[LANDING_PAD4]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[OBJ_RELOCATED]]
;
entry:
%obj = load <2 x ptr addrspace(1)>, ptr %ptr
invoke void @do_safepoint() [ "deopt"() ]
to label %normal_return unwind label %exceptional_return
normal_return: ; preds = %entry
ret <2 x ptr addrspace(1)> %obj
exceptional_return: ; preds = %entry
%landing_pad4 = landingpad token
cleanup
ret <2 x ptr addrspace(1)> %obj
}
; A newly created vector
define <2 x ptr addrspace(1)> @test5(ptr addrspace(1) %p) gc "statepoint-example" {
; CHECK-LABEL: @test5(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[VEC_BASE:%.*]] = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) [[P:%.*]], i32 0, !is_base_value !0
; CHECK-NEXT: [[VEC:%.*]] = insertelement <2 x ptr addrspace(1)> poison, ptr addrspace(1) [[P]], i32 0
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x ptr addrspace(1)> [[VEC]], <2 x ptr addrspace(1)> [[VEC_BASE]]) ]
; CHECK-NEXT: [[VEC_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[VEC_BASE_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[VEC_RELOCATED]]
;
entry:
%vec = insertelement <2 x ptr addrspace(1)> poison, ptr addrspace(1) %p, i32 0
call void @do_safepoint() [ "deopt"() ]
ret <2 x ptr addrspace(1)> %vec
}
; A merge point
define <2 x ptr addrspace(1)> @test6(i1 %cnd, ptr %ptr) gc "statepoint-example" {
; CHECK-LABEL: @test6(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[CND:%.*]], label [[TAKEN:%.*]], label [[UNTAKEN:%.*]]
; CHECK: taken:
; CHECK-NEXT: [[OBJA:%.*]] = load <2 x ptr addrspace(1)>, ptr [[PTR:%.*]], align 16
; CHECK-NEXT: br label [[MERGE:%.*]]
; CHECK: untaken:
; CHECK-NEXT: [[OBJB:%.*]] = load <2 x ptr addrspace(1)>, ptr [[PTR]], align 16
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[OBJ:%.*]] = phi <2 x ptr addrspace(1)> [ [[OBJA]], [[TAKEN]] ], [ [[OBJB]], [[UNTAKEN]] ]
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x ptr addrspace(1)> [[OBJ]]) ]
; CHECK-NEXT: [[OBJ_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[OBJ_RELOCATED]]
;
entry:
br i1 %cnd, label %taken, label %untaken
taken: ; preds = %entry
%obja = load <2 x ptr addrspace(1)>, ptr %ptr
br label %merge
untaken: ; preds = %entry
%objb = load <2 x ptr addrspace(1)>, ptr %ptr
br label %merge
merge: ; preds = %untaken, %taken
%obj = phi <2 x ptr addrspace(1)> [ %obja, %taken ], [ %objb, %untaken ]
call void @do_safepoint() [ "deopt"() ]
ret <2 x ptr addrspace(1)> %obj
}
declare void @do_safepoint()
Codebase Browser
llvm