Erase joined copies immediately.
The late dead code elimination is no longer necessary.
The test changes are cause by a register hint that can be either %rdi or
%rax. The choice depends on the use list order, which this patch changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157131 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/segmented-stacks-dynamic.ll b/test/CodeGen/X86/segmented-stacks-dynamic.ll
index 5ce08aa..d68b00b 100644
--- a/test/CodeGen/X86/segmented-stacks-dynamic.ll
+++ b/test/CodeGen/X86/segmented-stacks-dynamic.ll
@@ -51,14 +51,14 @@
; X64-NEXT: callq __morestack
; X64-NEXT: ret
-; X64: movq %rsp, %rdi
-; X64-NEXT: subq %rax, %rdi
-; X64-NEXT: cmpq %rdi, %fs:112
+; X64: movq %rsp, %[[RDI:rdi|rax]]
+; X64-NEXT: subq %{{.*}}, %[[RDI]]
+; X64-NEXT: cmpq %[[RDI]], %fs:112
-; X64: movq %rdi, %rsp
+; X64: movq %[[RDI]], %rsp
-; X64: movq %rax, %rdi
+; X64: movq %{{.*}}, %rdi
; X64-NEXT: callq __morestack_allocate_stack_space
-; X64-NEXT: movq %rax, %rdi
+; X64: movq %rax, %rdi
}