MIR Serialization: Serialize the frame setup machine instruction flag.

llvm-svn: 242491

1 files changed, 39 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/MIR/X86/frame-setup-instruction-flag.mir b/llvm/test/CodeGen/MIR/X86/frame-setup-instruction-flag.mir
new file mode 100644
index 00000000000..ca34fe1050d
--- /dev/null
+++ b/llvm/test/CodeGen/MIR/X86/frame-setup-instruction-flag.mir
@@ -0,0 +1,39 @@
+# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
+# This test ensures that the MIR parser parses the frame setup instruction flag.
+
+--- |
+
+  define i32 @compute(i32 %a) {
+  body:
+    %c = mul i32 %a, 11
+    ret i32 %c
+  }
+
+  define i32 @foo(i32 %a) {
+  entry:
+    %b = call i32 @compute(i32 %a)
+    ret i32 %b
+  }
+
+...
+---
+name:            compute
+body:
+  - name:        body
+    id:          0
+    instructions:
+      - '%eax = IMUL32rri8 %edi, 11, implicit-def %eflags'
+      - 'RETQ %eax'
+...
+---
+name:            foo
+body:
+  - name:        entry
+    id:          0
+    instructions:
+      # CHECK: frame-setup PUSH64r %rax
+      - 'frame-setup PUSH64r %rax, implicit-def %rsp, implicit %rsp'
+      - 'CALL64pcrel32 @compute, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp, implicit-def %eax'
+      - '%rdx = POP64r implicit-def %rsp, implicit %rsp'
+      - 'RETQ %eax'
+...