Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/X86/huge-stack-offset.ll

@@ -1,59 +0,0 @@
-; RUN: llc < %s -mtriple=x86_64-linux-unknown | FileCheck %s --check-prefix=CHECK-64
-; RUN: llc < %s -mtriple=i386-linux-unknown | FileCheck %s --check-prefix=CHECK-32
-
-; Test that a large stack offset uses a single add/sub instruction to
-; adjust the stack pointer.
-
-define void @foo() nounwind {
-; CHECK-64-LABEL: foo:
-; CHECK-64:      movabsq $50000000{{..}}, %rax
-; CHECK-64-NEXT: subq    %rax, %rsp
-; CHECK-64-NOT:  subq    $2147483647, %rsp
-; CHECK-64:      movabsq $50000000{{..}}, [[RAX:%r..]]
-; CHECK-64-NEXT: addq    [[RAX]], %rsp
-
-; CHECK-32-LABEL: foo:
-; CHECK-32:      movl    $50000000{{..}}, %eax
-; CHECK-32-NEXT: subl    %eax, %esp
-; CHECK-32-NOT:  subl    $2147483647, %esp
-; CHECK-32:      movl    $50000000{{..}}, [[EAX:%e..]]
-; CHECK-32-NEXT: addl    [[EAX]], %esp
-  %1 = alloca [5000000000 x i8], align 16
-  %2 = getelementptr inbounds [5000000000 x i8], [5000000000 x i8]* %1, i32 0, i32 0
-  call void @bar(i8* %2)
-  ret void
-}
-
-; Verify that we do not clobber the return value.
-
-define i32 @foo2() nounwind {
-; CHECK-64-LABEL: foo2:
-; CHECK-64:     movl    $10, %eax
-; CHECK-64-NOT: movabsq ${{.*}}, %rax
-
-; CHECK-32-LABEL: foo2:
-; CHECK-32:     movl    $10, %eax
-; CHECK-32-NOT: movl    ${{.*}}, %eax
-  %1 = alloca [5000000000 x i8], align 16
-  %2 = getelementptr inbounds [5000000000 x i8], [5000000000 x i8]* %1, i32 0, i32 0
-  call void @bar(i8* %2)
-  ret i32 10
-}
-
-; Verify that we do not clobber EAX when using inreg attribute
-
-define i32 @foo3(i32 inreg %x) nounwind {
-; CHECK-64-LABEL: foo3:
-; CHECK-64:      movabsq $50000000{{..}}, %rax
-; CHECK-64-NEXT: subq    %rax, %rsp
-
-; CHECK-32-LABEL: foo3:
-; CHECK-32:      subl $2147483647, %esp
-; CHECK-32-NOT:  movl ${{.*}}, %eax
-  %1 = alloca [5000000000 x i8], align 16
-  %2 = getelementptr inbounds [5000000000 x i8], [5000000000 x i8]* %1, i32 0, i32 0
-  call void @bar(i8* %2)
-  ret i32 %x
-}
-
-declare void @bar(i8*)