Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/Mips/Fast-ISel/stackloadstore.ll

@@ -1,18 +0,0 @@
-; RUN: llc < %s -march=mipsel -mcpu=mips32 -fast-isel -disable-fp-elim -relocation-model=pic < %s
-
-; Test that negative array access don't crash constant synthesis when fast isel
-; generates negative offsets.
-
-define i16 @test() {
-  %a = alloca [4 x i16], align 4
-  %arrayidx = getelementptr inbounds [4 x i16], [4 x i16]* %a, i32 0, i32 -2
-  %b = load i16, i16* %arrayidx, align 2
-  ret i16 %b
-}
-
-define void @test2() {
-  %a = alloca [4 x i16], align 4
-  %arrayidx = getelementptr inbounds [4 x i16], [4 x i16]* %a, i32 0, i32 -2
-  store i16 2, i16* %arrayidx, align 2
-  ret void
-}