1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/X86/statepoint-uniqueing.ll b/test/CodeGen/X86/statepoint-uniqueing.ll
new file mode 100644
index 000000000000..e791bc6b2333
--- /dev/null
+++ b/test/CodeGen/X86/statepoint-uniqueing.ll
@@ -0,0 +1,31 @@
+; RUN: llc < %s | FileCheck %s
+
+; Checks for a crash we had when two gc.relocate calls would
+; relocating identical values
+
+target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-linux-gnu"
+
+declare void @f()
+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
+declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32) #3
+
+define void @test_gcrelocate_uniqueing(i32 addrspace(1)* %ptr) gc "statepoint-example" {
+; CHECK-LABEL: test_gcrelocate_uniqueing
+  %tok = tail call token (i64, i32, void ()*, i32, i32, ...)
+      @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @f, i32 0, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 undef, i32 addrspace(1)* %ptr, i32 addrspace(1)* %ptr)
+  %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 9, i32 9)
+  %b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 10, i32 10)
+  ret void
+}
+
+define void @test_gcptr_uniqueing(i32 addrspace(1)* %ptr) gc "statepoint-example" {
+; CHECK-LABEL: test_gcptr_uniqueing
+  %ptr2 = bitcast i32 addrspace(1)* %ptr to i8 addrspace(1)*
+  %tok = tail call token (i64, i32, void ()*, i32, i32, ...)
+      @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @f, i32 0, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 undef, i32 addrspace(1)* %ptr, i8 addrspace(1)* %ptr2)
+  %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 9, i32 9)
+  %b = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok, i32 10, i32 10)
+  ret void
+}