From 8f3434647d3d39b49475239e3be1b8afb06415cf Mon Sep 17 00:00:00 2001 From: Bob Wilson Date: Mon, 6 Apr 2009 21:46:51 +0000 Subject: [PATCH] Handle 'a' modifier in ARM inline assembly. Patch by Richard Pennington. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68464 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp | 3 +++ test/CodeGen/ARM/2009-04-06-AsmModifier.ll | 19 +++++++++++++++++++ 2 files changed, 22 insertions(+) create mode 100644 test/CodeGen/ARM/2009-04-06-AsmModifier.ll diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp index e9997adda35..b3fa88eeaa5 100644 --- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp @@ -739,7 +739,10 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, switch (ExtraCode[0]) { default: return true; // Unknown modifier. + case 'a': // Don't print "#" before a global var name or constant. case 'c': // Don't print "$" before a global var name or constant. + printOperand(MI, OpNo, "no_hash"); + return false; case 'P': // Print a VFP double precision register. printOperand(MI, OpNo); return false; diff --git a/test/CodeGen/ARM/2009-04-06-AsmModifier.ll b/test/CodeGen/ARM/2009-04-06-AsmModifier.ll new file mode 100644 index 00000000000..ee6dc845460 --- /dev/null +++ b/test/CodeGen/ARM/2009-04-06-AsmModifier.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | llc -march=arm | grep {swi 107} + +define i32 @_swilseek(i32) nounwind { +entry: + %ptr = alloca i32 ; [#uses=2] + store i32 %0, i32* %ptr + %retval = alloca i32 ; [#uses=2] + store i32 0, i32* %retval + %res = alloca i32 ; [#uses=0] + %fh = alloca i32 ; [#uses=1] + %1 = load i32* %fh ; [#uses=1] + %2 = load i32* %ptr ; [#uses=1] + %3 = call i32* asm "mov r0, $2; mov r1, $3; swi ${1:a}; mov $0, r0", "=r,i,r,r,~{r0},~{r1}"(i32 107, i32 %1, i32 %2) nounwind ; [#uses=0] + br label %return + +return: ; preds = %entry + %4 = load i32* %retval ; [#uses=1] + ret i32 %4 +}