53 lines
2.3 KiB
LLVM
53 lines
2.3 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
; These tests check the optimizations specific to
|
|
; pointers being relocated at a statepoint.
|
|
|
|
|
|
declare void @func()
|
|
|
|
define i1 @test_negative(i32 addrspace(1)* %p) gc "statepoint-example" {
|
|
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, i32 addrspace(1)* %p)
|
|
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7)
|
|
%cmp = icmp eq i32 addrspace(1)* %pnew, null
|
|
ret i1 %cmp
|
|
; CHECK-LABEL: test_negative
|
|
; CHECK: %pnew = call i32 addrspace(1)*
|
|
; CHECK: ret i1 %cmp
|
|
}
|
|
|
|
define i1 @test_nonnull(i32 addrspace(1)* nonnull %p) gc "statepoint-example" {
|
|
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, i32 addrspace(1)* %p)
|
|
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7)
|
|
%cmp = icmp eq i32 addrspace(1)* %pnew, null
|
|
ret i1 %cmp
|
|
; CHECK-LABEL: test_nonnull
|
|
; CHECK: ret i1 false
|
|
}
|
|
|
|
define i1 @test_null() gc "statepoint-example" {
|
|
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, i32 addrspace(1)* null)
|
|
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7)
|
|
%cmp = icmp eq i32 addrspace(1)* %pnew, null
|
|
ret i1 %cmp
|
|
; CHECK-LABEL: test_null
|
|
; CHECK-NOT: %pnew
|
|
; CHECK: ret i1 true
|
|
}
|
|
|
|
define i1 @test_undef() gc "statepoint-example" {
|
|
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, i32 addrspace(1)* undef)
|
|
%pnew = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 7, i32 7)
|
|
%cmp = icmp eq i32 addrspace(1)* %pnew, null
|
|
ret i1 %cmp
|
|
; CHECK-LABEL: test_undef
|
|
; CHECK-NOT: %pnew
|
|
; CHECK: ret i1 undef
|
|
}
|
|
|
|
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
|