[ms-inline asm] Add back-end test case for r166632. Make sure we emit the

correct .s output as well as get the correct encoding by the integrated
assembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166638 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/ms-inline-asm.ll b/test/CodeGen/X86/ms-inline-asm.ll
index 59efa8d54776db84a900098f2731c771351464b3..24d28adda894969f437c4629d9937f1970c722d1 100644 (file)
--- a/test/CodeGen/X86/ms-inline-asm.ll
+++ b/test/CodeGen/X86/ms-inline-asm.ll
@@ -38,3 +38,26 @@ entry:
 ; CHECK: .att_syntax
 ; CHECK: {{## InlineAsm End|#NO_APP}}
 }
+
+%struct.t18_type = type { i32, i32 }
+
+define i32 @t18() nounwind {
+entry:
+  %foo = alloca %struct.t18_type, align 4
+  %a = getelementptr inbounds %struct.t18_type* %foo, i32 0, i32 0
+  store i32 1, i32* %a, align 4
+  %b = getelementptr inbounds %struct.t18_type* %foo, i32 0, i32 1
+  store i32 2, i32* %b, align 4
+  call void asm sideeffect inteldialect "lea ebx, foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
+  %b1 = getelementptr inbounds %struct.t18_type* %foo, i32 0, i32 1
+  %0 = load i32* %b1, align 4
+  ret i32 %0
+; CHECK: t18
+; CHECK: {{## InlineAsm Start|#APP}}
+; CHECK: .intel_syntax
+; CHECK: lea ebx, foo
+; CHECK: mov eax, [ebx].0
+; CHECK: mov [ebx].4, ecx
+; CHECK: .att_syntax
+; CHECK: {{## InlineAsm End|#NO_APP}}
+}

diff --git a/test/MC/X86/x86-32-ms-inline-asm.s b/test/MC/X86/x86-32-ms-inline-asm.s
new file mode 100644 (file)
index 0000000..aedef46
--- /dev/null
+++ b/test/MC/X86/x86-32-ms-inline-asm.s
@@ -0,0 +1,12 @@
+// RUN: llvm-mc -triple i386-unknown-unknown --show-encoding %s | FileCheck %s
+
+.intel_syntax
+mov eax, [ebx].0
+mov [ebx].4, ecx
+.att_syntax
+        
+; CHECK: movl (%ebx), %eax
+; CHECK: encoding: [0x8b,0x03]
+; CHECK: movl %ecx, 4(%ebx)
+; CHECK: encoding: [0x89,0x4b,0x04]
+