mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 22:04:55 +00:00
05be69f1e3
Differential Revision: http://reviews.llvm.org/D7366 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229840 91177308-0d34-0410-b5e6-96231b3b80d8
84 lines
3.8 KiB
LLVM
84 lines
3.8 KiB
LLVM
; RUN: opt -S %s -verify | FileCheck %s
|
|
|
|
declare void @use(...)
|
|
declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32, i32, i32)
|
|
declare i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32, i32, i32)
|
|
declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...)
|
|
declare i32 @"personality_function"()
|
|
|
|
;; Basic usage
|
|
define i64 addrspace(1)* @test1(i8 addrspace(1)* %arg) gc "statepoint-example" {
|
|
entry:
|
|
%cast = bitcast i8 addrspace(1)* %arg to i64 addrspace(1)*
|
|
%safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* undef, i32 0, i32 0, i32 5, i32 0, i32 0, i32 0, i32 10, i32 0, i8 addrspace(1)* %arg, i64 addrspace(1)* %cast, i8 addrspace(1)* %arg, i8 addrspace(1)* %arg)
|
|
%reloc = call i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %safepoint_token, i32 9, i32 10)
|
|
;; It is perfectly legal to relocate the same value multiple times...
|
|
%reloc2 = call i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %safepoint_token, i32 9, i32 10)
|
|
%reloc3 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %safepoint_token, i32 10, i32 9)
|
|
ret i64 addrspace(1)* %reloc
|
|
; CHECK-LABEL: test1
|
|
; CHECK: statepoint
|
|
; CHECK: gc.relocate
|
|
; CHECK: gc.relocate
|
|
; CHECK: gc.relocate
|
|
; CHECK: ret i64 addrspace(1)* %reloc
|
|
}
|
|
|
|
; This test catches two cases where the verifier was too strict:
|
|
; 1) A base doesn't need to be relocated if it's never used again
|
|
; 2) A value can be replaced by one which is known equal. This
|
|
; means a potentially derived pointer can be known base and that
|
|
; we can't check that derived pointer are never bases.
|
|
define void @test2(i8 addrspace(1)* %arg, i64 addrspace(1)* %arg2) gc "statepoint-example" {
|
|
entry:
|
|
%cast = bitcast i8 addrspace(1)* %arg to i64 addrspace(1)*
|
|
%c = icmp eq i64 addrspace(1)* %cast, %arg2
|
|
br i1 %c, label %equal, label %notequal
|
|
|
|
notequal:
|
|
ret void
|
|
|
|
equal:
|
|
%safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* undef, i32 0, i32 0, i32 5, i32 0, i32 0, i32 0, i32 10, i32 0, i8 addrspace(1)* %arg, i64 addrspace(1)* %cast, i8 addrspace(1)* %arg, i8 addrspace(1)* %arg)
|
|
%reloc = call i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %safepoint_token, i32 9, i32 10)
|
|
call void undef(i64 addrspace(1)* %reloc)
|
|
ret void
|
|
; CHECK-LABEL: test2
|
|
; CHECK-LABEL: equal
|
|
; CHECK: statepoint
|
|
; CHECK-NEXT: %reloc = call
|
|
; CHECK-NEXT: call
|
|
; CHECK-NEXT: ret voi
|
|
}
|
|
|
|
; Basic test for invoke statepoints
|
|
define i8 addrspace(1)* @test3(i8 addrspace(1)* %obj, i8 addrspace(1)* %obj1) gc "statepoint-example" {
|
|
; CHECK-LABEL: test3
|
|
entry:
|
|
; CHECK-LABEL: entry
|
|
; CHECK: statepoint
|
|
%0 = invoke i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* undef, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i8 addrspace(1)* %obj, i8 addrspace(1)* %obj1)
|
|
to label %normal_dest unwind label %exceptional_return
|
|
|
|
normal_dest:
|
|
; CHECK-LABEL: normal_dest:
|
|
; CHECK: gc.relocate
|
|
; CHECK: gc.relocate
|
|
; CHECK: ret
|
|
%obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 9, i32 9)
|
|
%obj1.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 10, i32 10)
|
|
ret i8 addrspace(1)* %obj.relocated
|
|
|
|
exceptional_return:
|
|
; CHECK-LABEL: exceptional_return
|
|
; CHECK: gc.relocate
|
|
; CHECK: gc.relocate
|
|
%landing_pad = landingpad { i8*, i32 } personality i32 ()* @"personality_function"
|
|
cleanup
|
|
%relocate_token = extractvalue { i8*, i32 } %landing_pad, 1
|
|
%obj.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %relocate_token, i32 9, i32 9)
|
|
%obj1.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %relocate_token, i32 10, i32 10)
|
|
ret i8 addrspace(1)* %obj1.relocated1
|
|
}
|
|
|