Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/Lanai/subword.ll

@@ -1,29 +0,0 @@
-; RUN: llc < %s -mtriple=lanai-unknown-unknown | FileCheck %s
-
-; Test scheduling of subwords.
-
-%struct.X = type { i16, i16 }
-
-define void @f(%struct.X* inreg nocapture %c) #0 {
-entry:
-  %a = getelementptr inbounds %struct.X, %struct.X* %c, i32 0, i32 0
-  %0 = load i16, i16* %a, align 2
-  %inc = add i16 %0, 1
-  store i16 %inc, i16* %a, align 2
-  %b = getelementptr inbounds %struct.X, %struct.X* %c, i32 0, i32 1
-  %1 = load i16, i16* %b, align 2
-  %dec = add i16 %1, -1
-  store i16 %dec, i16* %b, align 2
-  ret void
-}
-
-; Verify that the two loads occur before the stores. Without memory
-; disambiguation and subword schedule, the resultant code was a per subword
-; load-modify-store sequence instead of the more optimal schedule where all
-; loads occurred before modification and storage.
-; CHECK:      uld.h
-; CHECK-NEXT: uld.h
-; CHECK-NEXT: add
-; CHECK-NEXT: st.h
-; CHECK-NEXT: sub
-; CHECK-NEXT: st.h