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

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

llvm-svn: 166638
This commit is contained in:
Chad Rosier 2012-10-24 23:10:28 +00:00
parent 4c466eda90
commit 492e58a0f7
2 changed files with 35 additions and 0 deletions
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23
test/CodeGen/X86/ms-inline-asm.ll
View File

@ -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}}
}

12
test/MC/X86/x86-32-ms-inline-asm.s Normal file
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@ -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]