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authorEric Christopher <echristo@apple.com>2011-05-24 23:15:43 +0000
committerEric Christopher <echristo@apple.com>2011-05-24 23:15:43 +0000
commite1739d598d2c980822cc42bbf9821b91ebbc829f (patch)
tree33763e6c84409de45aec010dc631283d181088f9
parent424641ef83fbb99640d3e2758148a9d3ea2b3830 (diff)
Implement the immediate part of the 'B' modifier.
Part of rdar://9119939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132023 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/ARMAsmPrinter.cpp4
-rw-r--r--test/CodeGen/ARM/arm-modifier.ll10
2 files changed, 13 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index ac61c033a5..f1edc55120 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -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.
diff --git a/test/CodeGen/ARM/arm-modifier.ll b/test/CodeGen/ARM/arm-modifier.ll
index 051d7e7780..6b0da44ed5 100644
--- a/test/CodeGen/ARM/arm-modifier.ll
+++ b/test/CodeGen/ARM/arm-modifier.ll
@@ -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
+}