1 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/MC/RISCV/large-instructions.test b/llvm/test/MC/RISCV/large-instructions.test
new file mode 100644
index 0000000..b8396a9
--- /dev/null
+++ b/llvm/test/MC/RISCV/large-instructions.test
@@ -0,0 +1,60 @@
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-objdump -d %t | FileCheck %s
+
+## This CHECKs objdump's handling of wide instruction encodings, and how it
+## groups the instruction bytes when disassembling.
+##
+## This is written in YAML because using `.byte` emits the wrong mapping
+## symbols.
+
+--- !ELF
+FileHeader:
+  Class:           ELFCLASS32
+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_RISCV
+  SectionHeaderStringTable: .strtab
+Sections:
+  - Name:            .text
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
+    AddressAlign:    0x1
+    ContentArray:    [
+      # CHECK: 011f 4523 8967 <unknown>
+      0x1f, 0x01, 0x23, 0x45, 0x67, 0x89,
+
+      # CHECK: 4523013f cdab8967 <unknown>
+      0x3f, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd,
+
+      # CHECK: 007f 4523 8967 cdab feef <unknown>
+      0x7f, 0x00, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe,
+
+      # CHECK: 4523107f cdab8967 badcfeef <unknown>
+      0x7f, 0x10, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba,
+
+      # CHECK: 207f 4523 8967 cdab feef badc 7698 <unknown>
+      0x7f, 0x20, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76,
+
+      # CHECK: 4523307f cdab8967 badcfeef 32547698 <unknown>
+      0x7f, 0x30, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32,
+
+      # CHECK: 407f 4523 8967 cdab feef badc 7698 3254 1210 <unknown>
+      0x7f, 0x40, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x12,
+
+      # CHECK: 4523507f cdab8967 badcfeef 32547698 56341210 <unknown>
+      0x7f, 0x50, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x12, 0x34, 0x56,
+
+      # CHECK: 607f 4523 8967 cdab feef badc 7698 3254 1210 5634 9a78 <unknown>
+      0x7f, 0x60, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x12, 0x34, 0x56, 0x78, 0x9a,
+    ]
+
+  - Type:            SectionHeaderTable
+    Sections:
+      - Name:            .strtab
+      - Name:            .symtab
+      - Name:            .text
+Symbols:
+  - Name:    "$x"
+    Section: .text
+    Value:   0x0
+...