Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/MC/AMDGPU/macro-examples.s

@@ -0,0 +1,35 @@
+// RUN: llvm-mc -arch=amdgcn -mcpu=fiji %s | FileCheck %s --check-prefix=VI
+
+//===----------------------------------------------------------------------===//
+// Example of reg[expr] and reg[epxr1:expr2] syntax in macros.
+//===----------------------------------------------------------------------===//
+
+.macro REG_NUM_EXPR_EXAMPLE width iter iter_end
+    .if \width == 4
+      flat_load_dwordx4   v[8 + (\iter * 4):8 + (\iter * 4) + 3], v[2:3]
+    .else
+      flat_load_dword     v[8 + \iter], v[2:3]
+    .endif
+
+    .if (\iter_end - \iter)
+      REG_NUM_EXPR_EXAMPLE \width, (\iter + 1), \iter_end
+    .endif
+ .endm
+
+REG_NUM_EXPR_EXAMPLE 4, 0, 0
+// VI:   flat_load_dwordx4 v[8:11], v[2:3]
+
+REG_NUM_EXPR_EXAMPLE 1, 0, 0
+// VI:   flat_load_dword v8, v[2:3]
+
+REG_NUM_EXPR_EXAMPLE 4, 1, 4
+// VI:   flat_load_dwordx4 v[12:15], v[2:3]
+// VI:   flat_load_dwordx4 v[16:19], v[2:3]
+// VI:   flat_load_dwordx4 v[20:23], v[2:3]
+// VI:   flat_load_dwordx4 v[24:27], v[2:3]
+
+REG_NUM_EXPR_EXAMPLE 1, 1, 4
+// VI:   flat_load_dword v9, v[2:3]
+// VI:   flat_load_dword v10, v[2:3]
+// VI:   flat_load_dword v11, v[2:3]
+// VI:   flat_load_dword v12, v[2:3]