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llvm-mirror/test/Transforms/InstCombine/statepoint.ll
Serguei Katkov 36bf8f45fb [InstCombine] Move statepoint intrinsic handling from visitCall to visitCallBase 
statepoint intrinsic can be used in invoke context,
so it should be handled in visitCallBase to cover both call and invoke.

Reviewers: reames, dantrushin
Reviewed By: reames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D97833
2021-03-04 11:00:22 +07:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; These tests check the optimizations specific to
; pointers being relocated at a statepoint.
declare i32* @fake_personality_function()
declare void @func()
define i1 @test_negative(i32 addrspace(1)* %p) gc "statepoint-example" {
; CHECK-LABEL: @test_negative(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[P:%.*]]) ]
; CHECK-NEXT: [[PNEW:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 addrspace(1)* [[PNEW]], null
; CHECK-NEXT: ret i1 [[CMP]]
;
entry:
%safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %p)]
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
}
define i1 @test_nonnull(i32 addrspace(1)* nonnull %p) gc "statepoint-example" {
; CHECK-LABEL: @test_nonnull(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"() ]
; CHECK-NEXT: ret i1 false
;
entry:
%safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %p)]
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
}
define i1 @test_null() gc "statepoint-example" {
; CHECK-LABEL: @test_null(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"() ]
; CHECK-NEXT: ret i1 true
;
entry:
%safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* null)]
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
}
define i1 @test_undef() gc "statepoint-example" {
; CHECK-LABEL: @test_undef(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"() ]
; CHECK-NEXT: ret i1 undef
;
entry:
%safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* undef)]
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
}
define i1 @test_negative_invoke(i32 addrspace(1)* %p) gc "statepoint-example" personality i32* ()* @fake_personality_function {
; CHECK-LABEL: @test_negative_invoke(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[P:%.*]]) ]
; CHECK-NEXT: to label [[NORMAL_DEST:%.*]] unwind label [[UNWIND_DEST:%.*]]
; CHECK: normal_dest:
; CHECK-NEXT: [[PNEW:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 addrspace(1)* [[PNEW]], null
; CHECK-NEXT: ret i1 [[CMP]]
; CHECK: unwind_dest:
; CHECK-NEXT: [[LPAD:%.*]] = landingpad token
; CHECK-NEXT: cleanup
; CHECK-NEXT: [[PNEW2:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[LPAD]], i32 0, i32 0)
; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 addrspace(1)* [[PNEW2]], null
; CHECK-NEXT: ret i1 [[CMP2]]
;
entry:
%safepoint_token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %p)]
to label %normal_dest unwind label %unwind_dest
normal_dest:
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
unwind_dest:
%lpad = landingpad token
cleanup
%pnew2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %lpad, i32 0, i32 0)
%cmp2 = icmp ne i32 addrspace(1)* %pnew2, null
ret i1 %cmp2
}
define i1 @test_nonnull_invoke(i32 addrspace(1)* nonnull %p) gc "statepoint-example" personality i32* ()* @fake_personality_function {
; CHECK-LABEL: @test_nonnull_invoke(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"() ]
; CHECK-NEXT: to label [[NORMAL_DEST:%.*]] unwind label [[UNWIND_DEST:%.*]]
; CHECK: normal_dest:
; CHECK-NEXT: ret i1 false
; CHECK: unwind_dest:
; CHECK-NEXT: [[LPAD:%.*]] = landingpad token
; CHECK-NEXT: cleanup
; CHECK-NEXT: ret i1 true
;
entry:
%safepoint_token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %p)]
to label %normal_dest unwind label %unwind_dest
normal_dest:
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
unwind_dest:
%lpad = landingpad token
cleanup
%pnew2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %lpad, i32 0, i32 0)
%cmp2 = icmp ne i32 addrspace(1)* %pnew2, null
ret i1 %cmp2
}
define i1 @test_null_invoke() gc "statepoint-example" personality i32* ()* @fake_personality_function {
; CHECK-LABEL: @test_null_invoke(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"() ]
; CHECK-NEXT: to label [[NORMAL_DEST:%.*]] unwind label [[UNWIND_DEST:%.*]]
; CHECK: normal_dest:
; CHECK-NEXT: ret i1 true
; CHECK: unwind_dest:
; CHECK-NEXT: [[LPAD:%.*]] = landingpad token
; CHECK-NEXT: cleanup
; CHECK-NEXT: ret i1 false
;
entry:
%safepoint_token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* null)]
to label %normal_dest unwind label %unwind_dest
normal_dest:
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
unwind_dest:
%lpad = landingpad token
cleanup
%pnew2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %lpad, i32 0, i32 0)
%cmp2 = icmp ne i32 addrspace(1)* %pnew2, null
ret i1 %cmp2
}
define i1 @test_undef_invoke() gc "statepoint-example" personality i32* ()* @fake_personality_function {
; CHECK-LABEL: @test_undef_invoke(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"() ]
; CHECK-NEXT: to label [[NORMAL_DEST:%.*]] unwind label [[UNWIND_DEST:%.*]]
; CHECK: normal_dest:
; CHECK-NEXT: ret i1 undef
; CHECK: unwind_dest:
; CHECK-NEXT: [[LPAD:%.*]] = landingpad token
; CHECK-NEXT: cleanup
; CHECK-NEXT: ret i1 undef
;
entry:
%safepoint_token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* undef)]
to label %normal_dest unwind label %unwind_dest
normal_dest:
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
%cmp = icmp eq i32 addrspace(1)* %pnew, null
ret i1 %cmp
unwind_dest:
%lpad = landingpad token
cleanup
%pnew2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %lpad, i32 0, i32 0)
%cmp2 = icmp ne i32 addrspace(1)* %pnew2, null
ret i1 %cmp2
}
declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) #3
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