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llvm-mirror/test/MC/AsmParser/macro-args.s
Preston Gurd ba1ce20a7b Support default parameters/arguments for assembler macros.
This patch is based on the one by PaX Team.

Patch by Andy Zhang!

llvm-svn: 164246
2012-09-19 20:29:04 +00:00

65 lines
858 B
ArmAsm

// RUN: llvm-mc -triple x86_64-apple-darwin10 %s | FileCheck %s
.macro GET var,re2g
movl \var@GOTOFF(%ebx),\re2g
.endm
.macro GET_DEFAULT var, re2g=%ebx, re3g=%ecx
movl 2(\re2g, \re3g, 2), \var
.endm
GET is_sse, %eax
// CHECK: movl is_sse@GOTOFF(%ebx), %eax
GET_DEFAULT %ebx, , %edx
// CHECK: movl 2(%ebx,%edx,2), %ebx
GET_DEFAULT %ebx, %edx
// CHECK: movl 2(%edx,%ecx,2), %ebx
.macro bar
.long $n
.endm
bar 1, 2, 3
bar
// CHECK: .long 3
// CHECK: .long 0
.macro top
middle _$0, $1
.endm
.macro middle
$0:
.if $n > 1
bottom $1
.endif
.endm
.macro bottom
.set fred, $0
.endm
.text
top foo
top bar, 42
// CHECK: _foo:
// CHECK-NOT: fred
// CHECK: _bar
// CHECK-NEXT: fred = 42
.macro foo
foo_$0_$1_$2_$3:
nop
.endm
foo 1, 2, 3, 4
foo 1, , 3, 4
// CHECK: foo_1_2_3_4:
// CHECK: foo_1__3_4: