mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
87fc3812c0
The "gc-live" operand bundles were recently added, and all tests have been updated to use that format. A migration period was provided, though it's worth noting these intrinsics are experimental, so formally there is no compatibile requirement. This is an extension to a96fc46. "gc-live" hadn't been implemented at the point that patch was initially posted.
100 lines
4.6 KiB
LLVM
100 lines
4.6 KiB
LLVM
; RUN: opt -S %s -verify | FileCheck %s
|
|
|
|
declare void @use(...)
|
|
declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32)
|
|
declare i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token, i32, i32)
|
|
declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
|
|
declare token @llvm.experimental.gc.statepoint.p0f_isVoidp0s_structsf(i64, i32, void (%struct*)*, 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 token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* undef, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i8 addrspace(1)* %arg, i64 addrspace(1)* %cast, i8 addrspace(1)* %arg, i8 addrspace(1)* %arg), "deopt" (i32 0, i32 0, i32 0, i32 10, i32 0)]
|
|
%reloc = call i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %safepoint_token, i32 0, i32 1)
|
|
;; It is perfectly legal to relocate the same value multiple times...
|
|
%reloc2 = call i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %safepoint_token, i32 0, i32 1)
|
|
%reloc3 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %safepoint_token, i32 1, i32 0)
|
|
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 token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* undef, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i8 addrspace(1)* %arg, i64 addrspace(1)* %cast, i8 addrspace(1)* %arg, i8 addrspace(1)* %arg), "deopt" (i32 0, i32 0, i32 0, i32 10, i32 0)]
|
|
%reloc = call i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %safepoint_token, i32 0, i32 0)
|
|
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" personality i32 ()* @"personality_function" {
|
|
; CHECK-LABEL: test3
|
|
entry:
|
|
; CHECK-LABEL: entry
|
|
; CHECK: statepoint
|
|
%0 = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* undef, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i8 addrspace(1)* %obj, i8 addrspace(1)* %obj1), "deopt" (i32 0, i32 -1, i32 0, i32 0, i32 0)]
|
|
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(token %0, i32 0, i32 0)
|
|
%obj1.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %0, i32 1, i32 1)
|
|
ret i8 addrspace(1)* %obj.relocated
|
|
|
|
exceptional_return:
|
|
; CHECK-LABEL: exceptional_return
|
|
; CHECK: gc.relocate
|
|
; CHECK: gc.relocate
|
|
%landing_pad = landingpad token
|
|
cleanup
|
|
%obj.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %landing_pad, i32 0, i32 0)
|
|
%obj1.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %landing_pad, i32 1, i32 1)
|
|
ret i8 addrspace(1)* %obj1.relocated1
|
|
}
|
|
|
|
; Test for statepoint with sret attribute.
|
|
; This should be allowed as long as the wrapped function is not vararg.
|
|
%struct = type { i64, i64, i64 }
|
|
|
|
declare void @fn_sret(%struct* sret)
|
|
|
|
define void @test_sret() gc "statepoint-example" {
|
|
%x = alloca %struct
|
|
%statepoint_token = call token (i64, i32, void (%struct*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp0s_structsf(i64 0, i32 0, void (%struct*)* @fn_sret, i32 1, i32 0, %struct* sret %x, i32 0, i32 0)
|
|
ret void
|
|
; CHECK-LABEL: test_sret
|
|
; CHECK: alloca
|
|
; CHECK: statepoint
|
|
; CHECK-SAME: sret
|
|
; CHECK: ret
|
|
}
|