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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -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, ptr, ptr, ptr)
define fastcc void @mp_sqrt(i32 %n, i32 %radix, ptr %in, ptr %out, ptr %tmp1, ptr %tmp2, i32 %nfft, ptr %tmp1fft, ptr %tmp2fft, ptr %ip, ptr %w) nounwind {
; CHECK-LABEL: mp_sqrt:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: pushl %ebx
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: movl %edx, %esi
; CHECK-NEXT: movb $1, %cl
; CHECK-NEXT: movl $1, %ebx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edi
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_1: # %bb.i5
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: addl %ebx, %ebx
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: jne .LBB0_1
; CHECK-NEXT: # %bb.2: # %mp_unexp_mp2d.exit.i
; CHECK-NEXT: je .LBB0_10
; CHECK-NEXT: # %bb.3: # %cond_next.i
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: jne .LBB0_10
; CHECK-NEXT: # %bb.4: # %cond_next36.i
; CHECK-NEXT: movl $0, 0
; CHECK-NEXT: movzbl %al, %ebp
; CHECK-NEXT: andl $1, %ebp
; CHECK-NEXT: xorpd %xmm0, %xmm0
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: xorpd %xmm1, %xmm1
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_5: # %bb.i28.i
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: cvttsd2si %xmm1, %edx
; CHECK-NEXT: cmpl %esi, %edx
; CHECK-NEXT: cmovgel %eax, %edx
; CHECK-NEXT: addl $2, %ecx
; CHECK-NEXT: xorps %xmm2, %xmm2
; CHECK-NEXT: cvtsi2sd %edx, %xmm2
; CHECK-NEXT: xorpd %xmm1, %xmm1
; CHECK-NEXT: subsd %xmm2, %xmm1
; CHECK-NEXT: mulsd %xmm0, %xmm1
; CHECK-NEXT: addl $-2, %ebp
; CHECK-NEXT: jne .LBB0_5
; CHECK-NEXT: # %bb.6: # %mp_unexp_d2mp.exit29.i
; CHECK-NEXT: movl $0, 0
; CHECK-NEXT: je .LBB0_7
; CHECK-NEXT: # %bb.8: # %mp_sqrt_init.exit
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %edi, %edx
; CHECK-NEXT: calll mp_mul_csqu@PLT
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl $-1, %edx
; CHECK-NEXT: pushl {{[0-9]+}}(%esp)
; CHECK-NEXT: pushl {{[0-9]+}}(%esp)
; CHECK-NEXT: pushl $0
; CHECK-NEXT: calll rdft@PLT
; CHECK-NEXT: addl $12, %esp
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: pushl $0
; CHECK-NEXT: calll mp_mul_d2i@PLT
; CHECK-NEXT: addl $12, %esp
; CHECK-NEXT: testl %ebp, %ebp
; CHECK-NEXT: jne .LBB0_10
; CHECK-NEXT: # %bb.9: # %cond_false.i
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: pushl {{[0-9]+}}(%esp)
; CHECK-NEXT: pushl $0
; CHECK-NEXT: calll mp_round@PLT
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edi
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ebp
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: calll mp_add@PLT
; CHECK-NEXT: addl $12, %esp
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: pushl {{[0-9]+}}(%esp)
; CHECK-NEXT: calll mp_sub@PLT
; CHECK-NEXT: addl $12, %esp
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: pushl $0
; CHECK-NEXT: calll mp_round@PLT
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: pushl {{[0-9]+}}(%esp)
; CHECK-NEXT: pushl %ebx
; CHECK-NEXT: calll mp_mul_d2i@PLT
; CHECK-NEXT: addl $12, %esp
; CHECK-NEXT: .LBB0_10: # %cond_true.i
; CHECK-NEXT: popl %esi
; CHECK-NEXT: popl %edi
; CHECK-NEXT: popl %ebx
; CHECK-NEXT: popl %ebp
; CHECK-NEXT: retl
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_7: # %bb.i.i
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp .LBB0_7
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, ptr 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
%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, ptr 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, ptr %tmp1fft )
tail call fastcc void @rdft( i32 0, i32 -1, ptr null, ptr %ip, ptr %w )
tail call fastcc void @mp_mul_d2i( i32 0, i32 %radix, i32 0, ptr %tmp1fft, ptr %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, ptr %out )
tail call fastcc void @mp_add( i32 0, i32 %radix, ptr %tmp1, ptr %tmp2, ptr %tmp1 )
tail call fastcc void @mp_sub( i32 0, i32 %radix, ptr %in, ptr %tmp2, ptr %tmp2 )
tail call fastcc void @mp_round( i32 0, i32 %radix, i32 0, ptr %tmp1 )
tail call fastcc void @mp_mul_d2i( i32 0, i32 %radix, i32 %tmp7.i3, ptr %tmp2fft, ptr %tmp2 )
ret void
}
declare fastcc void @mp_add(i32, i32, ptr, ptr, ptr)
declare fastcc void @mp_sub(i32, i32, ptr, ptr, ptr)
declare fastcc void @mp_round(i32, i32, i32, ptr)
declare fastcc void @mp_mul_csqu(i32, ptr)
declare fastcc void @mp_mul_d2i(i32, i32, i32, ptr, ptr)
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