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Implement the immediate part of the 'B' modifier.

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Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132023 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2011-05-24 23:15:43 +00:00
parent 424641ef83
commit e1739d598d
2 changed files with 13 additions and 1 deletions
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4
lib/Target/ARM/ARMAsmPrinter.cpp
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@ -417,6 +417,10 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
}
// Fallthrough to unsupported.
case 'B': // Bitwise inverse of integer or symbol without a preceding #.
if (!MI->getOperand(OpNum).isImm())
return true;
O << ~(MI->getOperand(OpNum).getImm());
return false;
case 'L': // The low 16 bits of an immediate constant.
case 'm': // The base register of a memory operand.
case 'M': // A register range suitable for LDM/STM.

10
test/CodeGen/ARM/arm-modifier.ll
View File

@ -1,4 +1,4 @@
; RUN: llc < %s -march=arm -mattr=+vfp2
; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s
define i32 @foo(float %scale, float %scale2) nounwind ssp {
entry:
@ -13,3 +13,11 @@ entry:
}
!0 = metadata !{i32 56, i32 89, i32 128, i32 168}
define void @f0() nounwind ssp {
entry:
; CHECK: f0
; CHECK: .word -1
call void asm sideeffect ".word ${0:B} \0A\09", "i"(i32 0) nounwind, !srcloc !0
ret void
}