Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/Mips/cconv/reserved-space.ll

@@ -1,39 +0,0 @@
-; RUN: llc -march=mips < %s | FileCheck --check-prefixes=ALL,O32 %s
-; RUN: llc -march=mipsel < %s | FileCheck --check-prefixes=ALL,O32 %s
-
-; RUN-TODO: llc -march=mips64 -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s
-; RUN-TODO: llc -march=mips64el -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s
-
-; RUN: llc -march=mips64 -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s
-; RUN: llc -march=mips64el -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s
-
-; RUN: llc -march=mips64 -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s
-; RUN: llc -march=mips64el -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s
-
-; Test that O32 correctly reserved space for the four arguments, even when
-; there aren't any as per section 5 of MD00305 (MIPS ABIs Described).
-
-declare void @foo() nounwind;
-
-define void @reserved_space() nounwind {
-entry:
-        call void @foo()
-        ret void
-}
-
-; ALL-LABEL: reserved_space:
-; O32:           addiu $sp, $sp, -24
-; O32:           sw $ra, 20($sp)
-; O32:           lw $ra, 20($sp)
-; O32:           addiu $sp, $sp, 24
-; Despite pointers being 32-bit wide on N32, the return pointer is saved as a
-; 64-bit pointer. I've yet to find a documentation reference for this quirk but
-; this behaviour matches GCC so I have considered it to be correct.
-; N32:           addiu $sp, $sp, -16
-; N32:           sd $ra, 8($sp)
-; N32:           ld $ra, 8($sp)
-; N32:           addiu $sp, $sp, 16
-; N64:           daddiu $sp, $sp, -16
-; N64:           sd $ra, 8($sp)
-; N64:           ld $ra, 8($sp)
-; N64:           daddiu $sp, $sp, 16