derek.holloway
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70 lines
3.4 KiB
LLVM
70 lines
3.4 KiB
LLVM
; RUN: opt -safepoint-ir-verifier-print-only -verify-safepoint-ir -S %s 2>&1 | FileCheck %s
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define ptr addrspace(1) @test1(i64 %arg) gc "statepoint-example" {
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; CHECK: No illegal uses found by SafepointIRVerifier in: test1
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entry:
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)
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ret ptr addrspace(1) null
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}
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define ptr addrspace(1) @test2(i64 %arg) gc "statepoint-example" {
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; CHECK: No illegal uses found by SafepointIRVerifier in: test2
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entry:
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%load_addr = getelementptr i8, ptr addrspace(1) inttoptr (i64 15 to ptr addrspace(1)), i64 %arg
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)
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ret ptr addrspace(1) %load_addr
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}
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define ptr addrspace(1) @test3(i64 %arg) gc "statepoint-example" {
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; CHECK: No illegal uses found by SafepointIRVerifier in: test3
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entry:
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%load_addr = getelementptr i32, ptr addrspace(1) inttoptr (i64 15 to ptr addrspace(1)), i64 %arg
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)
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ret ptr addrspace(1) %load_addr
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}
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define ptr addrspace(1) @test4(i64 %arg, i1 %cond) gc "statepoint-example" {
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; CHECK: No illegal uses found by SafepointIRVerifier in: test4
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entry:
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%load_addr.1 = getelementptr i8, ptr addrspace(1) inttoptr (i64 15 to ptr addrspace(1)), i64 %arg
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br i1 %cond, label %split, label %join
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split:
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%load_addr.2 = getelementptr i8, ptr addrspace(1) inttoptr (i64 30 to ptr addrspace(1)), i64 %arg
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br label %join
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join:
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%load_addr = phi ptr addrspace(1) [%load_addr.1, %entry], [%load_addr.2, %split]
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)
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ret ptr addrspace(1) %load_addr
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}
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define ptr addrspace(1) @test5(i64 %arg, i1 %cond) gc "statepoint-example" {
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; CHECK: No illegal uses found by SafepointIRVerifier in: test5
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entry:
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%load_addr.1 = getelementptr i8, ptr addrspace(1) inttoptr (i64 15 to ptr addrspace(1)), i64 %arg
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%load_addr.2 = getelementptr i8, ptr addrspace(1) inttoptr (i64 30 to ptr addrspace(1)), i64 %arg
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%load_addr = select i1 %cond, ptr addrspace(1) %load_addr.1, ptr addrspace(1) %load_addr.2
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)
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ret ptr addrspace(1) %load_addr
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}
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define ptr addrspace(1) @test6(i64 %arg, i1 %cond, ptr addrspace(1) %base) gc "statepoint-example" {
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; CHECK-LABEL: Verifying gc pointers in function: test6
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; CHECK: Illegal use of unrelocated value found!
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entry:
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%load_addr.1 = getelementptr i8, ptr addrspace(1) %base, i64 %arg
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br i1 %cond, label %split, label %join
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split:
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%load_addr.2 = getelementptr i8, ptr addrspace(1) inttoptr (i64 30 to ptr addrspace(1)), i64 %arg
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br label %join
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join:
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%load_addr = phi ptr addrspace(1) [%load_addr.1, %entry], [%load_addr.2, %split]
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) undef, i32 0, i32 0, i32 0, i32 0)
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ret ptr addrspace(1) %load_addr
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}
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declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
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