mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
8e1e4cf226
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130599 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
2.6 KiB
LLVM
65 lines
2.6 KiB
LLVM
; RUN: llc < %s -o - -march=x86 -mattr=+mmx | FileCheck %s
|
|
; There are no MMX instructions here. We use add+adcl for the adds.
|
|
|
|
define <1 x i64> @unsigned_add3(<1 x i64>* %a, <1 x i64>* %b, i32 %count) nounwind {
|
|
entry:
|
|
%tmp2942 = icmp eq i32 %count, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp2942, label %bb31, label %bb26
|
|
|
|
bb26: ; preds = %bb26, %entry
|
|
|
|
; CHECK: addl
|
|
; CHECK: adcl
|
|
|
|
%i.037.0 = phi i32 [ 0, %entry ], [ %tmp25, %bb26 ] ; <i32> [#uses=3]
|
|
%sum.035.0 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1]
|
|
%tmp13 = getelementptr <1 x i64>* %b, i32 %i.037.0 ; <<1 x i64>*> [#uses=1]
|
|
%tmp14 = load <1 x i64>* %tmp13 ; <<1 x i64>> [#uses=1]
|
|
%tmp18 = getelementptr <1 x i64>* %a, i32 %i.037.0 ; <<1 x i64>*> [#uses=1]
|
|
%tmp19 = load <1 x i64>* %tmp18 ; <<1 x i64>> [#uses=1]
|
|
%tmp21 = add <1 x i64> %tmp19, %tmp14 ; <<1 x i64>> [#uses=1]
|
|
%tmp22 = add <1 x i64> %tmp21, %sum.035.0 ; <<1 x i64>> [#uses=2]
|
|
%tmp25 = add i32 %i.037.0, 1 ; <i32> [#uses=2]
|
|
%tmp29 = icmp ult i32 %tmp25, %count ; <i1> [#uses=1]
|
|
br i1 %tmp29, label %bb26, label %bb31
|
|
|
|
bb31: ; preds = %bb26, %entry
|
|
%sum.035.1 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1]
|
|
ret <1 x i64> %sum.035.1
|
|
}
|
|
|
|
|
|
; This is the original test converted to use MMX intrinsics.
|
|
|
|
define <1 x i64> @unsigned_add3a(x86_mmx* %a, x86_mmx* %b, i32 %count) nounwind {
|
|
entry:
|
|
%tmp2943 = bitcast <1 x i64><i64 0> to x86_mmx
|
|
%tmp2942 = icmp eq i32 %count, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp2942, label %bb31, label %bb26
|
|
|
|
bb26: ; preds = %bb26, %entry
|
|
|
|
; CHECK: movq ({{.*}},8), %mm
|
|
; CHECK: paddq ({{.*}},8), %mm
|
|
; CHECK: paddq %mm{{[0-7]}}, %mm
|
|
|
|
%i.037.0 = phi i32 [ 0, %entry ], [ %tmp25, %bb26 ] ; <i32> [#uses=3]
|
|
%sum.035.0 = phi x86_mmx [ %tmp2943, %entry ], [ %tmp22, %bb26 ] ; <x86_mmx> [#uses=1]
|
|
%tmp13 = getelementptr x86_mmx* %b, i32 %i.037.0 ; <x86_mmx*> [#uses=1]
|
|
%tmp14 = load x86_mmx* %tmp13 ; <x86_mmx> [#uses=1]
|
|
%tmp18 = getelementptr x86_mmx* %a, i32 %i.037.0 ; <x86_mmx*> [#uses=1]
|
|
%tmp19 = load x86_mmx* %tmp18 ; <x86_mmx> [#uses=1]
|
|
%tmp21 = call x86_mmx @llvm.x86.mmx.padd.q (x86_mmx %tmp19, x86_mmx %tmp14) ; <x86_mmx> [#uses=1]
|
|
%tmp22 = call x86_mmx @llvm.x86.mmx.padd.q (x86_mmx %tmp21, x86_mmx %sum.035.0) ; <x86_mmx> [#uses=2]
|
|
%tmp25 = add i32 %i.037.0, 1 ; <i32> [#uses=2]
|
|
%tmp29 = icmp ult i32 %tmp25, %count ; <i1> [#uses=1]
|
|
br i1 %tmp29, label %bb26, label %bb31
|
|
|
|
bb31: ; preds = %bb26, %entry
|
|
%sum.035.1 = phi x86_mmx [ %tmp2943, %entry ], [ %tmp22, %bb26 ] ; <x86_mmx> [#uses=1]
|
|
%t = bitcast x86_mmx %sum.035.1 to <1 x i64>
|
|
ret <1 x i64> %t
|
|
}
|
|
|
|
declare x86_mmx @llvm.x86.mmx.padd.q(x86_mmx, x86_mmx)
|