diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/CodeGenPrepare/statepoint-relocate.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/statepoint-relocate.ll b/llvm/test/Transforms/CodeGenPrepare/statepoint-relocate.ll index b31dfe7f3fa..af911c395b6 100644 --- a/llvm/test/Transforms/CodeGenPrepare/statepoint-relocate.ll +++ b/llvm/test/Transforms/CodeGenPrepare/statepoint-relocate.ll @@ -122,6 +122,28 @@ right: ret i32 %ret-base } +define i32 @test_sor_noop_same_bb(i1 %external-cond, i32* %base) gc "statepoint-example" { +; CHECK-LABEL: @test_sor_noop_same_bb +; Here base relocate doesn't dominate derived relocate. Make sure that we don't +; produce undefined use of the relocated base pointer. +entry: + %ptr1 = getelementptr i32, i32* %base, i32 15 + ; CHECK: getelementptr i32, i32* %base, i32 15 + %ptr2 = getelementptr i32, i32* %base, i32 5 + ; CHECK: getelementptr i32, i32* %base, i32 5 + %tok = call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0, i32* %base, i32* %ptr1, i32* %ptr2) + ; CHECK: call i32* @llvm.experimental.gc.relocate.p0i32(token %tok, i32 7, i32 7) + %ptr2-new = call i32* @llvm.experimental.gc.relocate.p0i32(token %tok, i32 7, i32 9) + %ret2-new = load i32, i32* %ptr2-new + ; CHECK: getelementptr i32, i32* %base-new, i32 5 + %ptr1-new = call i32* @llvm.experimental.gc.relocate.p0i32(token %tok, i32 7, i32 8) + %ret1-new = load i32, i32* %ptr1-new + ; CHECK: getelementptr i32, i32* %base-new, i32 15 + %base-new = call i32* @llvm.experimental.gc.relocate.p0i32(token %tok, i32 7, i32 7) + %ret-new = add i32 %ret2-new, %ret1-new + ret i32 %ret-new +} + declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) declare i32* @llvm.experimental.gc.relocate.p0i32(token, i32, i32) declare [3 x i32]* @llvm.experimental.gc.relocate.p0a3i32(token, i32, i32) |
