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bolt/deps/llvm-18.1.8/llvm/test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll
Sam Vervaeck 174b6f4d4e
Embed LLVM 18.1.8
2025-02-14 19:21:04 +01:00

397 lines
22 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S | FileCheck %s
declare void @use_obj16(ptr addrspace(1)) "gc-leaf-function"
declare void @use_obj32(ptr addrspace(1)) "gc-leaf-function"
declare void @use_obj64(ptr addrspace(1)) "gc-leaf-function"
declare void @do_safepoint()
define void @test_gep_const(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_gep_const(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; 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) [[BASE]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 15
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%ptr = getelementptr i32, ptr addrspace(1) %base, i32 15
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %base)
call void @use_obj32(ptr addrspace(1) %ptr)
ret void
}
define void @test_gep_idx(ptr addrspace(1) %base, i32 %idx) gc "statepoint-example" {
; CHECK-LABEL: @test_gep_idx(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 [[IDX:%.*]]
; 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) [[BASE]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 [[IDX]]
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%ptr = getelementptr i32, ptr addrspace(1) %base, i32 %idx
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %base)
call void @use_obj32(ptr addrspace(1) %ptr)
ret void
}
define void @test_bitcast(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_bitcast(
; 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) [[BASE:%.*]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: ret void
;
entry:
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %base)
call void @use_obj64(ptr addrspace(1) %base)
ret void
}
define void @test_bitcast_bitcast(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_bitcast_bitcast(
; 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) [[BASE:%.*]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: call void @use_obj16(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: ret void
;
entry:
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %base)
call void @use_obj16(ptr addrspace(1) %base)
ret void
}
define void @test_addrspacecast_addrspacecast(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_addrspacecast_addrspacecast(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR1:%.*]] = addrspacecast ptr addrspace(1) [[BASE:%.*]] to ptr
; CHECK-NEXT: [[PTR2:%.*]] = addrspacecast ptr [[PTR1]] to ptr addrspace(1)
; 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) [[PTR2]], ptr addrspace(1) [[BASE]]) ]
; CHECK-NEXT: [[PTR2_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR2_RELOCATED]])
; CHECK-NEXT: ret void
;
entry:
%ptr1 = addrspacecast ptr addrspace(1) %base to ptr
%ptr2 = addrspacecast ptr %ptr1 to ptr addrspace(1)
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %base)
call void @use_obj32(ptr addrspace(1) %ptr2)
ret void
}
define void @test_bitcast_gep(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_bitcast_gep(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; 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) [[BASE]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_GEP_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 15
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[BASE_RELOCATED]])
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%ptr.gep = getelementptr i32, ptr addrspace(1) %base, i32 15
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %base)
call void @use_obj64(ptr addrspace(1) %ptr.gep)
ret void
}
define void @test_intersecting_chains(ptr addrspace(1) %base, i32 %idx) gc "statepoint-example" {
; CHECK-LABEL: @test_intersecting_chains(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; 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) [[BASE]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_GEP_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 15
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: call void @use_obj16(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%ptr.gep = getelementptr i32, ptr addrspace(1) %base, i32 15
call void @do_safepoint() [ "deopt"() ]
call void @use_obj64(ptr addrspace(1) %ptr.gep)
call void @use_obj16(ptr addrspace(1) %ptr.gep)
ret void
}
define void @test_cost_threshold(ptr addrspace(1) %base, i32 %idx1, i32 %idx2, i32 %idx3) gc "statepoint-example" {
; CHECK-LABEL: @test_cost_threshold(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; CHECK-NEXT: [[PTR_GEP2:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP]], i32 [[IDX1:%.*]]
; CHECK-NEXT: [[PTR_GEP3:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP2]], i32 [[IDX2:%.*]]
; CHECK-NEXT: [[PTR_GEP4:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP3]], i32 [[IDX3:%.*]]
; 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) [[PTR_GEP4]], ptr addrspace(1) [[BASE]]) ]
; CHECK-NEXT: [[PTR_GEP4_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[PTR_GEP4_RELOCATED]])
; CHECK-NEXT: ret void
;
entry:
%ptr.gep = getelementptr i32, ptr addrspace(1) %base, i32 15
%ptr.gep2 = getelementptr i32, ptr addrspace(1) %ptr.gep, i32 %idx1
%ptr.gep3 = getelementptr i32, ptr addrspace(1) %ptr.gep2, i32 %idx2
%ptr.gep4 = getelementptr i32, ptr addrspace(1) %ptr.gep3, i32 %idx3
call void @do_safepoint() [ "deopt"() ]
call void @use_obj64(ptr addrspace(1) %ptr.gep4)
ret void
}
define void @test_two_derived(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_two_derived(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; CHECK-NEXT: [[PTR2:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE]], i32 12
; 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) [[BASE]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 15
; CHECK-NEXT: [[PTR2_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 12
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_REMAT]])
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR2_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%ptr = getelementptr i32, ptr addrspace(1) %base, i32 15
%ptr2 = getelementptr i32, ptr addrspace(1) %base, i32 12
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %ptr)
call void @use_obj32(ptr addrspace(1) %ptr2)
ret void
}
define void @test_gep_smallint_array(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_gep_smallint_array(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR:%.*]] = getelementptr [3 x i32], ptr addrspace(1) [[BASE:%.*]], i32 0, i32 2
; 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) [[BASE]]) ]
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_REMAT:%.*]] = getelementptr [3 x i32], ptr addrspace(1) [[BASE_RELOCATED]], i32 0, i32 2
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%ptr = getelementptr [3 x i32], ptr addrspace(1) %base, i32 0, i32 2
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %ptr)
ret void
}
declare i32 @fake_personality_function()
define void @test_invoke(ptr addrspace(1) %base) gc "statepoint-example" personality ptr @fake_personality_function {
; CHECK-LABEL: @test_invoke(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; 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"(ptr addrspace(1) [[BASE]]) ]
; CHECK-NEXT: to label [[NORMAL:%.*]] unwind label [[EXCEPTION:%.*]]
; CHECK: normal:
; CHECK-NEXT: [[BASE_RELOCATED2:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_GEP_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED2]], i32 15
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: call void @use_obj16(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: ret void
; CHECK: exception:
; CHECK-NEXT: [[LANDING_PAD4:%.*]] = landingpad token
; CHECK-NEXT: cleanup
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[LANDING_PAD4]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_GEP_REMAT1:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE_RELOCATED]], i32 15
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[PTR_GEP_REMAT1]])
; CHECK-NEXT: call void @use_obj16(ptr addrspace(1) [[PTR_GEP_REMAT1]])
; CHECK-NEXT: ret void
;
entry:
%ptr.gep = getelementptr i32, ptr addrspace(1) %base, i32 15
invoke void @do_safepoint() [ "deopt"() ]
to label %normal unwind label %exception
normal:
call void @use_obj64(ptr addrspace(1) %ptr.gep)
call void @use_obj16(ptr addrspace(1) %ptr.gep)
ret void
exception:
%landing_pad4 = landingpad token
cleanup
call void @use_obj64(ptr addrspace(1) %ptr.gep)
call void @use_obj16(ptr addrspace(1) %ptr.gep)
ret void
}
define void @test_loop(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_loop(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[DOT0:%.*]] = phi ptr addrspace(1) [ [[BASE]], [[ENTRY:%.*]] ], [ [[BASE_RELOCATED:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[PTR_GEP_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[DOT0]], i32 15
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_GEP_REMAT]])
; 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) [[DOT0]]) ]
; CHECK-NEXT: [[BASE_RELOCATED]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: br label [[LOOP]]
;
entry:
%ptr.gep = getelementptr i32, ptr addrspace(1) %base, i32 15
br label %loop
loop: ; preds = %loop, %entry
call void @use_obj32(ptr addrspace(1) %ptr.gep)
call void @do_safepoint() [ "deopt"() ]
br label %loop
}
define void @test_too_long(ptr addrspace(1) %base) gc "statepoint-example" {
; CHECK-LABEL: @test_too_long(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASE:%.*]], i32 15
; CHECK-NEXT: [[PTR_GEP1:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP]], i32 15
; CHECK-NEXT: [[PTR_GEP2:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP1]], i32 15
; CHECK-NEXT: [[PTR_GEP3:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP2]], i32 15
; CHECK-NEXT: [[PTR_GEP4:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP3]], i32 15
; CHECK-NEXT: [[PTR_GEP5:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP4]], i32 15
; CHECK-NEXT: [[PTR_GEP6:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP5]], i32 15
; CHECK-NEXT: [[PTR_GEP7:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP6]], i32 15
; CHECK-NEXT: [[PTR_GEP8:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP7]], i32 15
; CHECK-NEXT: [[PTR_GEP9:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP8]], i32 15
; CHECK-NEXT: [[PTR_GEP10:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP9]], i32 15
; CHECK-NEXT: [[PTR_GEP11:%.*]] = getelementptr i32, ptr addrspace(1) [[PTR_GEP10]], i32 15
; 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) [[PTR_GEP11]], ptr addrspace(1) [[BASE]]) ]
; CHECK-NEXT: [[PTR_GEP11_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[BASE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_GEP11_RELOCATED]])
; CHECK-NEXT: ret void
;
entry:
%ptr.gep = getelementptr i32, ptr addrspace(1) %base, i32 15
%ptr.gep1 = getelementptr i32, ptr addrspace(1) %ptr.gep, i32 15
%ptr.gep2 = getelementptr i32, ptr addrspace(1) %ptr.gep1, i32 15
%ptr.gep3 = getelementptr i32, ptr addrspace(1) %ptr.gep2, i32 15
%ptr.gep4 = getelementptr i32, ptr addrspace(1) %ptr.gep3, i32 15
%ptr.gep5 = getelementptr i32, ptr addrspace(1) %ptr.gep4, i32 15
%ptr.gep6 = getelementptr i32, ptr addrspace(1) %ptr.gep5, i32 15
%ptr.gep7 = getelementptr i32, ptr addrspace(1) %ptr.gep6, i32 15
%ptr.gep8 = getelementptr i32, ptr addrspace(1) %ptr.gep7, i32 15
%ptr.gep9 = getelementptr i32, ptr addrspace(1) %ptr.gep8, i32 15
%ptr.gep10 = getelementptr i32, ptr addrspace(1) %ptr.gep9, i32 15
%ptr.gep11 = getelementptr i32, ptr addrspace(1) %ptr.gep10, i32 15
call void @do_safepoint() [ "deopt"() ]
call void @use_obj32(ptr addrspace(1) %ptr.gep11)
ret void
}
declare ptr addrspace(1) @new_instance() nounwind "gc-leaf-function"
; remat the gep in presence of base pointer which is a phi node.
; FIXME: We should remove the extra basephi.base as well.
define void @contains_basephi(i1 %cond) gc "statepoint-example" {
; CHECK-LABEL: @contains_basephi(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[BASE1:%.*]] = call ptr addrspace(1) @new_instance()
; CHECK-NEXT: [[BASE2:%.*]] = call ptr addrspace(1) @new_instance()
; CHECK-NEXT: br i1 [[COND:%.*]], label [[HERE:%.*]], label [[THERE:%.*]]
; CHECK: here:
; CHECK-NEXT: br label [[MERGE:%.*]]
; CHECK: there:
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[BASEPHI:%.*]] = phi ptr addrspace(1) [ [[BASE1]], [[HERE]] ], [ [[BASE2]], [[THERE]] ]
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASEPHI]], i32 15
; 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) [[BASEPHI]]) ]
; CHECK-NEXT: [[BASEPHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_GEP_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASEPHI_RELOCATED]], i32 15
; CHECK-NEXT: call void @use_obj32(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%base1 = call ptr addrspace(1) @new_instance()
%base2 = call ptr addrspace(1) @new_instance()
br i1 %cond, label %here, label %there
here:
br label %merge
there:
br label %merge
merge:
%basephi = phi ptr addrspace(1) [ %base1, %here ], [ %base2, %there ]
%ptr.gep = getelementptr i32, ptr addrspace(1) %basephi, i32 15
call void @do_safepoint() ["deopt"() ]
call void @use_obj32(ptr addrspace(1) %ptr.gep)
ret void
}
define void @test_intersecting_chains_with_phi(i1 %cond) gc "statepoint-example" {
; CHECK-LABEL: @test_intersecting_chains_with_phi(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[BASE1:%.*]] = call ptr addrspace(1) @new_instance()
; CHECK-NEXT: [[BASE2:%.*]] = call ptr addrspace(1) @new_instance()
; CHECK-NEXT: br i1 [[COND:%.*]], label [[HERE:%.*]], label [[THERE:%.*]]
; CHECK: here:
; CHECK-NEXT: br label [[MERGE:%.*]]
; CHECK: there:
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[BASEPHI:%.*]] = phi ptr addrspace(1) [ [[BASE1]], [[HERE]] ], [ [[BASE2]], [[THERE]] ]
; CHECK-NEXT: [[PTR_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[BASEPHI]], i32 15
; 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) [[BASEPHI]]) ]
; CHECK-NEXT: [[BASEPHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[PTR_GEP_REMAT:%.*]] = getelementptr i32, ptr addrspace(1) [[BASEPHI_RELOCATED]], i32 15
; CHECK-NEXT: call void @use_obj64(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: call void @use_obj16(ptr addrspace(1) [[PTR_GEP_REMAT]])
; CHECK-NEXT: ret void
;
entry:
%base1 = call ptr addrspace(1) @new_instance()
%base2 = call ptr addrspace(1) @new_instance()
br i1 %cond, label %here, label %there
here:
br label %merge
there:
br label %merge
merge:
%basephi = phi ptr addrspace(1) [ %base1, %here ], [ %base2, %there ]
%ptr.gep = getelementptr i32, ptr addrspace(1) %basephi, i32 15
call void @do_safepoint() [ "deopt"() ]
call void @use_obj64(ptr addrspace(1) %ptr.gep)
call void @use_obj16(ptr addrspace(1) %ptr.gep)
ret void
}
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