[llvm-commits] [llvm] r68464 - in /llvm/trunk: lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp test/CodeGen/ARM/2009-04-06-AsmModifier.ll
Bob Wilson
bob.wilson at apple.com
Mon Apr 6 14:46:51 PDT 2009
Author: bwilson
Date: Mon Apr 6 16:46:51 2009
New Revision: 68464
URL: http://llvm.org/viewvc/llvm-project?rev=68464&view=rev
Log:
Handle 'a' modifier in ARM inline assembly.
Patch by Richard Pennington.
Added:
llvm/trunk/test/CodeGen/ARM/2009-04-06-AsmModifier.ll
Modified:
llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
Modified: llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp?rev=68464&r1=68463&r2=68464&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp Mon Apr 6 16:46:51 2009
@@ -739,7 +739,10 @@
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;
Added: llvm/trunk/test/CodeGen/ARM/2009-04-06-AsmModifier.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2009-04-06-AsmModifier.ll?rev=68464&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/2009-04-06-AsmModifier.ll (added)
+++ llvm/trunk/test/CodeGen/ARM/2009-04-06-AsmModifier.ll Mon Apr 6 16:46:51 2009
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=arm | grep {swi 107}
+
+define i32 @_swilseek(i32) nounwind {
+entry:
+ %ptr = alloca i32 ; <i32*> [#uses=2]
+ store i32 %0, i32* %ptr
+ %retval = alloca i32 ; <i32*> [#uses=2]
+ store i32 0, i32* %retval
+ %res = alloca i32 ; <i32*> [#uses=0]
+ %fh = alloca i32 ; <i32*> [#uses=1]
+ %1 = load i32* %fh ; <i32> [#uses=1]
+ %2 = load i32* %ptr ; <i32> [#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 ; <i32*> [#uses=0]
+ br label %return
+
+return: ; preds = %entry
+ %4 = load i32* %retval ; <i32> [#uses=1]
+ ret i32 %4
+}
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