mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-10 22:55:57 +00:00
72ed88feac
the loop preheader. Add instructions which are already in the preheader block that may be common expressions of those that are hoisted out. These does get a few more instructions CSE'ed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85799 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
3.6 KiB
LLVM
87 lines
3.6 KiB
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
|
|
; Increment in loop bb.i28.i adjusted to 2, to prevent loop reversal from
|
|
; kicking in.
|
|
|
|
declare fastcc void @rdft(i32, i32, double*, i32*, double*)
|
|
|
|
define fastcc void @mp_sqrt(i32 %n, i32 %radix, i32* %in, i32* %out, i32* %tmp1, i32* %tmp2, i32 %nfft, double* %tmp1fft, double* %tmp2fft, i32* %ip, double* %w) nounwind {
|
|
entry:
|
|
br label %bb.i5
|
|
|
|
bb.i5: ; preds = %bb.i5, %entry
|
|
%nfft_init.0.i = phi i32 [ 1, %entry ], [ %tmp7.i3, %bb.i5 ] ; <i32> [#uses=1]
|
|
%foo = phi i1 [1, %entry], [0, %bb.i5]
|
|
%tmp7.i3 = shl i32 %nfft_init.0.i, 1 ; <i32> [#uses=2]
|
|
br i1 %foo, label %bb.i5, label %mp_unexp_mp2d.exit.i
|
|
|
|
mp_unexp_mp2d.exit.i: ; preds = %bb.i5
|
|
br i1 %foo, label %cond_next.i, label %cond_true.i
|
|
|
|
cond_true.i: ; preds = %mp_unexp_mp2d.exit.i
|
|
ret void
|
|
|
|
cond_next.i: ; preds = %mp_unexp_mp2d.exit.i
|
|
%tmp22.i = sdiv i32 0, 2 ; <i32> [#uses=2]
|
|
br i1 %foo, label %cond_true29.i, label %cond_next36.i
|
|
|
|
cond_true29.i: ; preds = %cond_next.i
|
|
ret void
|
|
|
|
cond_next36.i: ; preds = %cond_next.i
|
|
store i32 %tmp22.i, i32* null, align 4
|
|
%tmp8.i14.i = select i1 %foo, i32 1, i32 0 ; <i32> [#uses=1]
|
|
br label %bb.i28.i
|
|
|
|
bb.i28.i: ; preds = %bb.i28.i, %cond_next36.i
|
|
; CHECK: %bb.i28.i
|
|
; CHECK: addl $2
|
|
; CHECK: addl $2
|
|
%j.0.reg2mem.0.i16.i = phi i32 [ 0, %cond_next36.i ], [ %indvar.next39.i, %bb.i28.i ] ; <i32> [#uses=2]
|
|
%din_addr.1.reg2mem.0.i17.i = phi double [ 0.000000e+00, %cond_next36.i ], [ %tmp16.i25.i, %bb.i28.i ] ; <double> [#uses=1]
|
|
%tmp1.i18.i = fptosi double %din_addr.1.reg2mem.0.i17.i to i32 ; <i32> [#uses=2]
|
|
%tmp4.i19.i = icmp slt i32 %tmp1.i18.i, %radix ; <i1> [#uses=1]
|
|
%x.0.i21.i = select i1 %tmp4.i19.i, i32 %tmp1.i18.i, i32 0 ; <i32> [#uses=1]
|
|
%tmp41.sum.i = add i32 %j.0.reg2mem.0.i16.i, 2 ; <i32> [#uses=0]
|
|
%tmp1213.i23.i = sitofp i32 %x.0.i21.i to double ; <double> [#uses=1]
|
|
%tmp15.i24.i = fsub double 0.000000e+00, %tmp1213.i23.i ; <double> [#uses=1]
|
|
%tmp16.i25.i = fmul double 0.000000e+00, %tmp15.i24.i ; <double> [#uses=1]
|
|
%indvar.next39.i = add i32 %j.0.reg2mem.0.i16.i, 2 ; <i32> [#uses=2]
|
|
%exitcond40.i = icmp eq i32 %indvar.next39.i, %tmp8.i14.i ; <i1> [#uses=1]
|
|
br i1 %exitcond40.i, label %mp_unexp_d2mp.exit29.i, label %bb.i28.i
|
|
|
|
mp_unexp_d2mp.exit29.i: ; preds = %bb.i28.i
|
|
%tmp46.i = sub i32 0, %tmp22.i ; <i32> [#uses=1]
|
|
store i32 %tmp46.i, i32* null, align 4
|
|
br i1 %exitcond40.i, label %bb.i.i, label %mp_sqrt_init.exit
|
|
|
|
bb.i.i: ; preds = %bb.i.i, %mp_unexp_d2mp.exit29.i
|
|
br label %bb.i.i
|
|
|
|
mp_sqrt_init.exit: ; preds = %mp_unexp_d2mp.exit29.i
|
|
tail call fastcc void @mp_mul_csqu( i32 0, double* %tmp1fft )
|
|
tail call fastcc void @rdft( i32 0, i32 -1, double* null, i32* %ip, double* %w )
|
|
tail call fastcc void @mp_mul_d2i( i32 0, i32 %radix, i32 0, double* %tmp1fft, i32* %tmp2 )
|
|
br i1 %exitcond40.i, label %cond_false.i, label %cond_true36.i
|
|
|
|
cond_true36.i: ; preds = %mp_sqrt_init.exit
|
|
ret void
|
|
|
|
cond_false.i: ; preds = %mp_sqrt_init.exit
|
|
tail call fastcc void @mp_round( i32 0, i32 %radix, i32 0, i32* %out )
|
|
tail call fastcc void @mp_add( i32 0, i32 %radix, i32* %tmp1, i32* %tmp2, i32* %tmp1 )
|
|
tail call fastcc void @mp_sub( i32 0, i32 %radix, i32* %in, i32* %tmp2, i32* %tmp2 )
|
|
tail call fastcc void @mp_round( i32 0, i32 %radix, i32 0, i32* %tmp1 )
|
|
tail call fastcc void @mp_mul_d2i( i32 0, i32 %radix, i32 %tmp7.i3, double* %tmp2fft, i32* %tmp2 )
|
|
ret void
|
|
}
|
|
|
|
declare fastcc void @mp_add(i32, i32, i32*, i32*, i32*)
|
|
|
|
declare fastcc void @mp_sub(i32, i32, i32*, i32*, i32*)
|
|
|
|
declare fastcc void @mp_round(i32, i32, i32, i32*)
|
|
|
|
declare fastcc void @mp_mul_csqu(i32, double*)
|
|
|
|
declare fastcc void @mp_mul_d2i(i32, i32, i32, double*, i32*)
|