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[test] Add DCE coverage for gc.relocate

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Philip Reames
2021-03-04 12:16:25 -08:00
parent 10264a1b21
commit f1fdbd671b
1 changed files with 19 additions and 0 deletions
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19
llvm/test/Transforms/InstSimplify/gc_relocate.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -early-cse -earlycse-debug-hash -S < %s | FileCheck %s
declare void @func()
define void @dead_relocate(i32 addrspace(1)* %in) gc "statepoint-example" {
; CHECK-LABEL: @dead_relocate(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = 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)* [[IN:%.*]]) ]
; CHECK-NEXT: ret void
;
entry:
%safepoint_token = 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)* %in)]
%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
ret void
}
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)