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|
; RUN: llc < %s -march=sparcv9 -mattr=+popc -disable-sparc-delay-filler -disable-sparc-leaf-proc | FileCheck %s
; RUN: llc < %s -march=sparcv9 -mattr=+popc | FileCheck %s -check-prefix=OPT
; CHECK-LABEL: ret2:
; CHECK: mov %i1, %i0
; OPT-LABEL: ret2:
; OPT: retl
; OPT: mov %o1, %o0
define i64 @ret2(i64 %a, i64 %b) {
ret i64 %b
}
; CHECK: shl_imm
; CHECK: sllx %i0, 7, %i0
; OPT-LABEL: shl_imm:
; OPT: retl
; OPT: sllx %o0, 7, %o0
define i64 @shl_imm(i64 %a) {
%x = shl i64 %a, 7
ret i64 %x
}
; CHECK: sra_reg
; CHECK: srax %i0, %i1, %i0
; OPT-LABEL: sra_reg:
; OPT: retl
; OPT: srax %o0, %o1, %o0
define i64 @sra_reg(i64 %a, i64 %b) {
%x = ashr i64 %a, %b
ret i64 %x
}
; Immediate materialization. Many of these patterns could actually be merged
; into the restore instruction:
;
; restore %g0, %g0, %o0
;
; CHECK: ret_imm0
; CHECK: mov 0, %i0
; OPT: ret_imm0
; OPT: retl
; OPT: mov 0, %o0
define i64 @ret_imm0() {
ret i64 0
}
; CHECK: ret_simm13
; CHECK: mov -4096, %i0
; OPT: ret_simm13
; OPT: retl
; OPT: mov -4096, %o0
define i64 @ret_simm13() {
ret i64 -4096
}
; CHECK: ret_sethi
; CHECK: sethi 4, %i0
; CHECK-NOT: or
; CHECK: restore
; OPT: ret_sethi
; OPT: retl
; OPT: sethi 4, %o0
define i64 @ret_sethi() {
ret i64 4096
}
; CHECK: ret_sethi_or
; CHECK: sethi 4, [[R:%[goli][0-7]]]
; CHECK: or [[R]], 1, %i0
; OPT: ret_sethi_or
; OPT: sethi 4, [[R:%[go][0-7]]]
; OPT: retl
; OPT: or [[R]], 1, %o0
define i64 @ret_sethi_or() {
ret i64 4097
}
; CHECK: ret_nimm33
; CHECK: sethi 4, [[R:%[goli][0-7]]]
; CHECK: xor [[R]], -4, %i0
; OPT: ret_nimm33
; OPT: sethi 4, [[R:%[go][0-7]]]
; OPT: retl
; OPT: xor [[R]], -4, %o0
define i64 @ret_nimm33() {
ret i64 -4100
}
; CHECK: ret_bigimm
; CHECK: sethi
; CHECK: sethi
define i64 @ret_bigimm() {
ret i64 6800754272627607872
}
; CHECK: ret_bigimm2
; CHECK: sethi 1048576
define i64 @ret_bigimm2() {
ret i64 4611686018427387904 ; 0x4000000000000000
}
; CHECK: reg_reg_alu
; CHECK: add %i0, %i1, [[R0:%[goli][0-7]]]
; CHECK: sub [[R0]], %i2, [[R1:%[goli][0-7]]]
; CHECK: andn [[R1]], %i0, %i0
define i64 @reg_reg_alu(i64 %x, i64 %y, i64 %z) {
%a = add i64 %x, %y
%b = sub i64 %a, %z
%c = xor i64 %x, -1
%d = and i64 %b, %c
ret i64 %d
}
; CHECK: reg_imm_alu
; CHECK: add %i0, -5, [[R0:%[goli][0-7]]]
; CHECK: xor [[R0]], 2, %i0
define i64 @reg_imm_alu(i64 %x, i64 %y, i64 %z) {
%a = add i64 %x, -5
%b = xor i64 %a, 2
ret i64 %b
}
; CHECK: loads
; CHECK: ldx [%i0]
; CHECK: stx %
; CHECK: ld [%i1]
; CHECK: st %
; CHECK: ldsw [%i2]
; CHECK: stx %
; CHECK: ldsh [%i3]
; CHECK: sth %
define i64 @loads(i64* %p, i32* %q, i32* %r, i16* %s) {
%a = load i64* %p
%ai = add i64 1, %a
store i64 %ai, i64* %p
%b = load i32* %q
%b2 = zext i32 %b to i64
%bi = trunc i64 %ai to i32
store i32 %bi, i32* %q
%c = load i32* %r
%c2 = sext i32 %c to i64
store i64 %ai, i64* %p
%d = load i16* %s
%d2 = sext i16 %d to i64
%di = trunc i64 %ai to i16
store i16 %di, i16* %s
%x1 = add i64 %a, %b2
%x2 = add i64 %c2, %d2
%x3 = add i64 %x1, %x2
ret i64 %x3
}
; CHECK: load_bool
; CHECK: ldub [%i0], %i0
define i64 @load_bool(i1* %p) {
%a = load i1* %p
%b = zext i1 %a to i64
ret i64 %b
}
; CHECK: stores
; CHECK: ldx [%i0+8], [[R:%[goli][0-7]]]
; CHECK: stx [[R]], [%i0+16]
; CHECK: st [[R]], [%i1+-8]
; CHECK: sth [[R]], [%i2+40]
; CHECK: stb [[R]], [%i3+-20]
define void @stores(i64* %p, i32* %q, i16* %r, i8* %s) {
%p1 = getelementptr i64* %p, i64 1
%p2 = getelementptr i64* %p, i64 2
%pv = load i64* %p1
store i64 %pv, i64* %p2
%q2 = getelementptr i32* %q, i32 -2
%qv = trunc i64 %pv to i32
store i32 %qv, i32* %q2
%r2 = getelementptr i16* %r, i16 20
%rv = trunc i64 %pv to i16
store i16 %rv, i16* %r2
%s2 = getelementptr i8* %s, i8 -20
%sv = trunc i64 %pv to i8
store i8 %sv, i8* %s2
ret void
}
; CHECK: promote_shifts
; CHECK: ldub [%i0], [[R:%[goli][0-7]]]
; CHECK: sll [[R]], [[R]], %i0
define i8 @promote_shifts(i8* %p) {
%L24 = load i8* %p
%L32 = load i8* %p
%B36 = shl i8 %L24, %L32
ret i8 %B36
}
; CHECK: multiply
; CHECK: mulx %i0, %i1, %i0
define i64 @multiply(i64 %a, i64 %b) {
%r = mul i64 %a, %b
ret i64 %r
}
; CHECK: signed_divide
; CHECK: sdivx %i0, %i1, %i0
define i64 @signed_divide(i64 %a, i64 %b) {
%r = sdiv i64 %a, %b
ret i64 %r
}
; CHECK: unsigned_divide
; CHECK: udivx %i0, %i1, %i0
define i64 @unsigned_divide(i64 %a, i64 %b) {
%r = udiv i64 %a, %b
ret i64 %r
}
define void @access_fi() {
entry:
%b = alloca [32 x i8], align 1
%arraydecay = getelementptr inbounds [32 x i8]* %b, i64 0, i64 0
call void @g(i8* %arraydecay) #2
ret void
}
declare void @g(i8*)
; CHECK: expand_setcc
; CHECK: cmp %i0, 1
; CHECK: movl %xcc, 1,
define i32 @expand_setcc(i64 %a) {
%cond = icmp sle i64 %a, 0
%cast2 = zext i1 %cond to i32
%RV = sub i32 1, %cast2
ret i32 %RV
}
; CHECK: spill_i64
; CHECK: stx
; CHECK: ldx
define i64 @spill_i64(i64 %x) {
call void asm sideeffect "", "~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"()
ret i64 %x
}
; CHECK: bitcast_i64_f64
; CHECK: std
; CHECK: ldx
define i64 @bitcast_i64_f64(double %x) {
%y = bitcast double %x to i64
ret i64 %y
}
; CHECK: bitcast_f64_i64
; CHECK: stx
; CHECK: ldd
define double @bitcast_f64_i64(i64 %x) {
%y = bitcast i64 %x to double
ret double %y
}
; CHECK-LABEL: store_zero:
; CHECK: stx %g0, [%i0]
; CHECK: stx %g0, [%i1+8]
; OPT-LABEL: store_zero:
; OPT: stx %g0, [%o0]
; OPT: stx %g0, [%o1+8]
define i64 @store_zero(i64* nocapture %a, i64* nocapture %b) {
entry:
store i64 0, i64* %a, align 8
%0 = getelementptr inbounds i64* %b, i32 1
store i64 0, i64* %0, align 8
ret i64 0
}
; CHECK-LABEL: bit_ops
; CHECK: popc
; OPT-LABEL: bit_ops
; OPT: popc
define i64 @bit_ops(i64 %arg) {
entry:
%0 = tail call i64 @llvm.ctpop.i64(i64 %arg)
%1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true)
%2 = tail call i64 @llvm.cttz.i64(i64 %arg, i1 true)
%3 = tail call i64 @llvm.bswap.i64(i64 %arg)
%4 = add i64 %0, %1
%5 = add i64 %2, %3
%6 = add i64 %4, %5
ret i64 %6
}
declare i64 @llvm.ctpop.i64(i64) nounwind readnone
declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
declare i64 @llvm.cttz.i64(i64, i1) nounwind readnone
declare i64 @llvm.bswap.i64(i64) nounwind readnone
|
