mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
28c9fc630c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47513 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
3.4 KiB
LLVM
56 lines
3.4 KiB
LLVM
; RUN: llvm-as < %s | llc -regalloc=local -march=x86 -mattr=+mmx | grep esi
|
|
; PR2082
|
|
; Local register allocator was refusing to use ESI, EDI, and EBP so it ran out of
|
|
; registers.
|
|
define void @transpose4x4(i8* %dst, i8* %src, i32 %dst_stride, i32 %src_stride) {
|
|
entry:
|
|
%dst_addr = alloca i8* ; <i8**> [#uses=5]
|
|
%src_addr = alloca i8* ; <i8**> [#uses=5]
|
|
%dst_stride_addr = alloca i32 ; <i32*> [#uses=4]
|
|
%src_stride_addr = alloca i32 ; <i32*> [#uses=4]
|
|
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
|
|
store i8* %dst, i8** %dst_addr
|
|
store i8* %src, i8** %src_addr
|
|
store i32 %dst_stride, i32* %dst_stride_addr
|
|
store i32 %src_stride, i32* %src_stride_addr
|
|
%tmp = load i8** %dst_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp1 = getelementptr i8* %tmp, i32 0 ; <i8*> [#uses=1]
|
|
%tmp12 = bitcast i8* %tmp1 to i32* ; <i32*> [#uses=1]
|
|
%tmp3 = load i8** %dst_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp4 = load i32* %dst_stride_addr, align 4 ; <i32> [#uses=1]
|
|
%tmp5 = getelementptr i8* %tmp3, i32 %tmp4 ; <i8*> [#uses=1]
|
|
%tmp56 = bitcast i8* %tmp5 to i32* ; <i32*> [#uses=1]
|
|
%tmp7 = load i32* %dst_stride_addr, align 4 ; <i32> [#uses=1]
|
|
%tmp8 = mul i32 %tmp7, 2 ; <i32> [#uses=1]
|
|
%tmp9 = load i8** %dst_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp10 = getelementptr i8* %tmp9, i32 %tmp8 ; <i8*> [#uses=1]
|
|
%tmp1011 = bitcast i8* %tmp10 to i32* ; <i32*> [#uses=1]
|
|
%tmp13 = load i32* %dst_stride_addr, align 4 ; <i32> [#uses=1]
|
|
%tmp14 = mul i32 %tmp13, 3 ; <i32> [#uses=1]
|
|
%tmp15 = load i8** %dst_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp16 = getelementptr i8* %tmp15, i32 %tmp14 ; <i8*> [#uses=1]
|
|
%tmp1617 = bitcast i8* %tmp16 to i32* ; <i32*> [#uses=1]
|
|
%tmp18 = load i8** %src_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp19 = getelementptr i8* %tmp18, i32 0 ; <i8*> [#uses=1]
|
|
%tmp1920 = bitcast i8* %tmp19 to i32* ; <i32*> [#uses=1]
|
|
%tmp21 = load i8** %src_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp22 = load i32* %src_stride_addr, align 4 ; <i32> [#uses=1]
|
|
%tmp23 = getelementptr i8* %tmp21, i32 %tmp22 ; <i8*> [#uses=1]
|
|
%tmp2324 = bitcast i8* %tmp23 to i32* ; <i32*> [#uses=1]
|
|
%tmp25 = load i32* %src_stride_addr, align 4 ; <i32> [#uses=1]
|
|
%tmp26 = mul i32 %tmp25, 2 ; <i32> [#uses=1]
|
|
%tmp27 = load i8** %src_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp28 = getelementptr i8* %tmp27, i32 %tmp26 ; <i8*> [#uses=1]
|
|
%tmp2829 = bitcast i8* %tmp28 to i32* ; <i32*> [#uses=1]
|
|
%tmp30 = load i32* %src_stride_addr, align 4 ; <i32> [#uses=1]
|
|
%tmp31 = mul i32 %tmp30, 3 ; <i32> [#uses=1]
|
|
%tmp32 = load i8** %src_addr, align 4 ; <i8*> [#uses=1]
|
|
%tmp33 = getelementptr i8* %tmp32, i32 %tmp31 ; <i8*> [#uses=1]
|
|
%tmp3334 = bitcast i8* %tmp33 to i32* ; <i32*> [#uses=1]
|
|
call void asm sideeffect "movd $4, %mm0 \0A\09movd $5, %mm1 \0A\09movd $6, %mm2 \0A\09movd $7, %mm3 \0A\09punpcklbw %mm1, %mm0 \0A\09punpcklbw %mm3, %mm2 \0A\09movq %mm0, %mm1 \0A\09punpcklwd %mm2, %mm0 \0A\09punpckhwd %mm2, %mm1 \0A\09movd %mm0, $0 \0A\09punpckhdq %mm0, %mm0 \0A\09movd %mm0, $1 \0A\09movd %mm1, $2 \0A\09punpckhdq %mm1, %mm1 \0A\09movd %mm1, $3 \0A\09", "=*m,=*m,=*m,=*m,*m,*m,*m,*m,~{dirflag},~{fpsr},~{flags}"( i32* %tmp12, i32* %tmp56, i32* %tmp1011, i32* %tmp1617, i32* %tmp1920, i32* %tmp2324, i32* %tmp2829, i32* %tmp3334 ) nounwind
|
|
br label %return
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
}
|