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Implement invoke statepoint verification.

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Differential Revision: http://reviews.llvm.org/D7366



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229840 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Igor Laevsky
2015-02-19 11:28:47 +00:00
parent 589d13e8f5
commit 05be69f1e3
2 changed files with 81 additions and 11 deletions
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34
test/Verifier/statepoint.ll
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@@ -7,7 +7,7 @@ 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) {
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)
@@ -29,7 +29,7 @@ entry:
; 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) {
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
@@ -51,3 +51,33 @@ equal:
; 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
}