llvm/test/Transforms/RewriteStatepointsForGC/gc-relocate-creation.ll
Fedor Sergeev f1b0fdfb70 [PM] port Rewrite Statepoints For GC to the new pass manager.
Summary:
The port is nearly straightforward.
The only complication is related to the analyses handling,
since one of the analyses used in this module pass is domtree,
which is a function analysis. That requires asking for the results
of each function and disallows a single interface for run-on-module
pass action.

Decided to copy-paste the main body of this pass.
Most of its code is requesting analyses anyway, so not that much
of a copy-paste.

The rest of the code movement is to transform all the implementation
helper functions like stripNonValidData into non-member statics.

Extended all the related LLVM tests with new-pass-manager use.
No failures.

Reviewers: sanjoy, anna, reames

Reviewed By: anna

Subscribers: skatkov, llvm-commits

Differential Revision: https://reviews.llvm.org/D41162

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320796 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-15 09:32:11 +00:00

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1.0 KiB
LLVM

; RUN: opt < %s -rewrite-statepoints-for-gc -S | FileCheck %s
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S | FileCheck %s
; This test is to verify gc.relocate can handle pointer to vector of
; pointers (<2 x i32 addrspace(1)*> addrspace(1)* in this case).
; The old scheme to create a gc.relocate of <2 x i32 addrspace(1)*> addrspace(1)*
; type will fail because llvm does not support mangling vector of pointers.
; The new scheme will create all gc.relocate to i8 addrspace(1)* type and
; then bitcast to the correct type.
declare void @foo()
declare void @use(...) "gc-leaf-function"
define void @test1(<2 x i32 addrspace(1)*> addrspace(1)* %obj) gc "statepoint-example" {
entry:
; CHECK: %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %statepoint_token, i32 7, i32 7)
; CHECK-NEXT: %obj.relocated.casted = bitcast i8 addrspace(1)* %obj.relocated to <2 x i32 addrspace(1)*> addrspace(1)*
call void @foo() [ "deopt"() ]
call void (...) @use(<2 x i32 addrspace(1)*> addrspace(1)* %obj)
ret void
}