| ; RUN: opt -safepoint-ir-verifier-print-only -verify-safepoint-ir -S %s 2>&1 | FileCheck %s |
| |
| define i8 addrspace(1)* @test.not.ok.0(i8 addrspace(1)* %arg) gc "statepoint-example" { |
| ; CHECK-LABEL: Verifying gc pointers in function: test.not.ok.0 |
| bci_0: |
| br i1 undef, label %left, label %right |
| |
| left: |
| %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 5, i32 0, i32 -1, i32 0, i32 0, i32 0) |
| br label %merge |
| |
| right: |
| br label %merge |
| |
| merge: |
| ; CHECK: Illegal use of unrelocated value found! |
| ; CHECK-NEXT: Def: i8 addrspace(1)* %arg |
| ; CHECK-NEXT: Use: %val = phi i8 addrspace(1)* [ %arg, %left ], [ %arg, %right ] |
| %val = phi i8 addrspace(1)* [ %arg, %left ], [ %arg, %right] |
| ret i8 addrspace(1)* %val |
| } |
| |
| define i8 addrspace(1)* @test.not.ok.1(i8 addrspace(1)* %arg) gc "statepoint-example" { |
| ; CHECK-LABEL: Verifying gc pointers in function: test.not.ok.1 |
| bci_0: |
| br i1 undef, label %left, label %right |
| |
| left: |
| %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 5, i32 0, i32 -1, i32 0, i32 0, i32 0) |
| br label %merge |
| |
| right: |
| br label %merge |
| |
| merge: |
| ; CHECK: Illegal use of unrelocated value found! |
| ; CHECK-NEXT: Def: i8 addrspace(1)* %arg |
| ; CHECK-NEXT: Use: %val = phi i8 addrspace(1)* [ %arg, %left ], [ null, %right ] |
| %val = phi i8 addrspace(1)* [ %arg, %left ], [ null, %right] |
| ret i8 addrspace(1)* %val |
| } |
| |
| define i8 addrspace(1)* @test.ok.0(i8 addrspace(1)* %arg) gc "statepoint-example" { |
| ; CHECK: No illegal uses found by SafepointIRVerifier in: test.ok.0 |
| bci_0: |
| br i1 undef, label %left, label %right |
| |
| left: |
| %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 5, i32 0, i32 -1, i32 0, i32 0, i32 0) |
| br label %merge |
| |
| right: |
| br label %merge |
| |
| merge: |
| %val = phi i8 addrspace(1)* [ null, %left ], [ null, %right] |
| ret i8 addrspace(1)* %val |
| } |
| |
| define i8 addrspace(1)* @test.ok.1(i8 addrspace(1)* %arg) gc "statepoint-example" { |
| ; CHECK: No illegal uses found by SafepointIRVerifier in: test.ok.1 |
| bci_0: |
| br i1 undef, label %left, label %right |
| |
| left: |
| call void @not_statepoint() |
| br label %merge |
| |
| right: |
| br label %merge |
| |
| merge: |
| %val = phi i8 addrspace(1)* [ %arg, %left ], [ %arg, %right] |
| ret i8 addrspace(1)* %val |
| } |
| |
| declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) |
| declare void @not_statepoint() |