6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-11-02 22:04:55 +00:00
Code Issues Projects Releases Wiki Activity

Enable target-specific mul-lowering on ARM, even at -Os. Remove a test that this makes

Browse Source 
irrelevant, but add a new test for the new, improved functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114494 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2010-09-21 22:51:46 +00:00
parent 5fa42a45a1
commit 8614167572
3 changed files with 18 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -4194,10 +4194,6 @@ static SDValue PerformMULCombine(SDNode *N,
if (Subtarget->isThumb1Only())
return SDValue();
if (DAG.getMachineFunction().
getFunction()->hasFnAttr(Attribute::OptimizeForSize))
return SDValue();
if (DCI.isBeforeLegalize() || DCI.isCalledByLegalizer())
return SDValue();

15
test/CodeGen/Thumb2/thumb2-badreg-operands.ll
View File

@ -1,15 +0,0 @@
; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 | FileCheck %s
define void @b(i32 %x) nounwind optsize {
entry:
; CHECK: b
; CHECK: mov r2, sp
; CHECK: mls r0, r0, r1, r2
; CHECK: mov sp, r0
%0 = mul i32 %x, 24 ; <i32> [#uses=1]
%vla = alloca i8, i32 %0, align 1 ; <i8*> [#uses=1]
call arm_aapcscc void @a(i8* %vla) nounwind optsize
ret void
}
declare void @a(i8*) optsize

18
test/CodeGen/thumb2-mul.ll Normal file
View File

@ -0,0 +1,18 @@
; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 | FileCheck %s
%struct.CMPoint = type { %struct.Point, float, float, [5 x float] }
%struct.Point = type { float, float }
define %struct.CMPoint* @t1(i32 %i, i32 %j, i32 %n, %struct.CMPoint* %thePoints) nounwind readnone ssp {
entry:
; CHECK: mla r0, r2, r0, r1
; CHECK: add.w r0, r0, r0, lsl #3
; CHECL: add.w r0, r3, r0, lsl #2
%mul = mul i32 %n, %i
%add = add i32 %mul, %j
%0 = ptrtoint %struct.CMPoint* %thePoints to i32
%mul5 = mul i32 %add, 36
%add6 = add i32 %mul5, %0
%1 = inttoptr i32 %add6 to %struct.CMPoint*
ret %struct.CMPoint* %1
}