| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s |
| |
| ; Select of constants: control flow / conditional moves can always be replaced by logic+math (but may not be worth it?). |
| ; Test the zeroext/signext variants of each pattern to see if that makes a difference. |
| |
| ; select Cond, 0, 1 --> zext (!Cond) |
| |
| define i32 @select_0_or_1(i1 %cond) { |
| ; CHECK-LABEL: select_0_or_1: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mvn w8, w0 |
| ; CHECK-NEXT: and w0, w8, #0x1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 0, i32 1 |
| ret i32 %sel |
| } |
| |
| define i32 @select_0_or_1_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_0_or_1_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: eor w0, w0, #0x1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 0, i32 1 |
| ret i32 %sel |
| } |
| |
| define i32 @select_0_or_1_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_0_or_1_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mvn w8, w0 |
| ; CHECK-NEXT: and w0, w8, #0x1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 0, i32 1 |
| ret i32 %sel |
| } |
| |
| ; select Cond, 1, 0 --> zext (Cond) |
| |
| define i32 @select_1_or_0(i1 %cond) { |
| ; CHECK-LABEL: select_1_or_0: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w0, w0, #0x1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 1, i32 0 |
| ret i32 %sel |
| } |
| |
| define i32 @select_1_or_0_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_1_or_0_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 1, i32 0 |
| ret i32 %sel |
| } |
| |
| define i32 @select_1_or_0_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_1_or_0_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w0, w0, #0x1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 1, i32 0 |
| ret i32 %sel |
| } |
| |
| ; select Cond, 0, -1 --> sext (!Cond) |
| |
| define i32 @select_0_or_neg1(i1 %cond) { |
| ; CHECK-LABEL: select_0_or_neg1: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mvn w8, w0 |
| ; CHECK-NEXT: sbfx w0, w8, #0, #1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 0, i32 -1 |
| ret i32 %sel |
| } |
| |
| define i32 @select_0_or_neg1_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_0_or_neg1_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mvn w8, w0 |
| ; CHECK-NEXT: sbfx w0, w8, #0, #1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 0, i32 -1 |
| ret i32 %sel |
| } |
| |
| define i32 @select_0_or_neg1_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_0_or_neg1_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mvn w0, w0 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 0, i32 -1 |
| ret i32 %sel |
| } |
| |
| ; select Cond, -1, 0 --> sext (Cond) |
| |
| define i32 @select_neg1_or_0(i1 %cond) { |
| ; CHECK-LABEL: select_neg1_or_0: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: sbfx w0, w0, #0, #1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 -1, i32 0 |
| ret i32 %sel |
| } |
| |
| define i32 @select_neg1_or_0_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_neg1_or_0_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: sbfx w0, w0, #0, #1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 -1, i32 0 |
| ret i32 %sel |
| } |
| |
| define i32 @select_neg1_or_0_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_neg1_or_0_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 -1, i32 0 |
| ret i32 %sel |
| } |
| |
| ; select Cond, C+1, C --> add (zext Cond), C |
| |
| define i32 @select_Cplus1_C(i1 %cond) { |
| ; CHECK-LABEL: select_Cplus1_C: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 42, i32 41 |
| ret i32 %sel |
| } |
| |
| define i32 @select_Cplus1_C_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_Cplus1_C_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 42, i32 41 |
| ret i32 %sel |
| } |
| |
| define i32 @select_Cplus1_C_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_Cplus1_C_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 42, i32 41 |
| ret i32 %sel |
| } |
| |
| ; select Cond, C, C+1 --> add (sext Cond), C |
| |
| define i32 @select_C_Cplus1(i1 %cond) { |
| ; CHECK-LABEL: select_C_Cplus1: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 41, i32 42 |
| ret i32 %sel |
| } |
| |
| define i32 @select_C_Cplus1_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_C_Cplus1_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 41, i32 42 |
| ret i32 %sel |
| } |
| |
| define i32 @select_C_Cplus1_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_C_Cplus1_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 41, i32 42 |
| ret i32 %sel |
| } |
| |
| ; In general, select of 2 constants could be: |
| ; select Cond, C1, C2 --> add (mul (zext Cond), C1-C2), C2 --> add (and (sext Cond), C1-C2), C2 |
| |
| define i32 @select_C1_C2(i1 %cond) { |
| ; CHECK-LABEL: select_C1_C2: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #42 |
| ; CHECK-NEXT: mov w9, #421 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 421, i32 42 |
| ret i32 %sel |
| } |
| |
| define i32 @select_C1_C2_zeroext(i1 zeroext %cond) { |
| ; CHECK-LABEL: select_C1_C2_zeroext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #42 |
| ; CHECK-NEXT: mov w9, #421 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 421, i32 42 |
| ret i32 %sel |
| } |
| |
| define i32 @select_C1_C2_signext(i1 signext %cond) { |
| ; CHECK-LABEL: select_C1_C2_signext: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #42 |
| ; CHECK-NEXT: mov w9, #421 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i32 421, i32 42 |
| ret i32 %sel |
| } |
| |
| ; A binary operator with constant after the select should always get folded into the select. |
| |
| define i8 @sel_constants_add_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_add_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #28 |
| ; CHECK-NEXT: csinc w0, w8, wzr, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = add i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_sub_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_sub_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #18 |
| ; CHECK-NEXT: mov w9, #-9 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = sub i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_sub_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_sub_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #2 |
| ; CHECK-NEXT: mov w9, #9 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 3 |
| %bo = sub i8 5, %sel |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_mul_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_mul_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #115 |
| ; CHECK-NEXT: mov w9, #-20 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = mul i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_sdiv_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_sdiv_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #4 |
| ; CHECK-NEXT: csel w0, wzr, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = sdiv i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sdiv_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: sdiv_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #5 |
| ; CHECK-NEXT: csel w0, wzr, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 121, i8 23 |
| %bo = sdiv i8 120, %sel |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_udiv_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_udiv_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #4 |
| ; CHECK-NEXT: mov w9, #50 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = udiv i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @udiv_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: udiv_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #5 |
| ; CHECK-NEXT: csel w0, wzr, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = udiv i8 120, %sel |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_srem_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_srem_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #-4 |
| ; CHECK-NEXT: cinv w0, w8, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = srem i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @srem_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: srem_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #5 |
| ; CHECK-NEXT: mov w9, #120 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 121, i8 23 |
| %bo = srem i8 120, %sel |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_urem_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_urem_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #2 |
| ; CHECK-NEXT: cinc w0, w8, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = urem i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @urem_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: urem_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #5 |
| ; CHECK-NEXT: mov w9, #120 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = urem i8 120, %sel |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_and_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_and_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #4 |
| ; CHECK-NEXT: cinc w0, w8, eq |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = and i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_or_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_or_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #23 |
| ; CHECK-NEXT: mov w9, #-3 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = or i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_xor_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_xor_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #18 |
| ; CHECK-NEXT: mov w9, #-7 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = xor i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_shl_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_shl_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #-32 |
| ; CHECK-NEXT: mov w9, #-128 |
| ; CHECK-NEXT: csel w0, w9, w8, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = shl i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @shl_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: shl_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #2 |
| ; CHECK-NEXT: cinc x8, x8, eq |
| ; CHECK-NEXT: mov w9, #1 |
| ; CHECK-NEXT: lsl w0, w9, w8 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 2, i8 3 |
| %bo = shl i8 1, %sel |
| ret i8 %bo |
| } |
| |
| define i8 @sel_constants_lshr_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_lshr_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #7 |
| ; CHECK-NEXT: csel w0, w8, wzr, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = lshr i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @lshr_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: lshr_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #2 |
| ; CHECK-NEXT: cinc x8, x8, eq |
| ; CHECK-NEXT: mov w9, #64 |
| ; CHECK-NEXT: lsr w0, w9, w8 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 2, i8 3 |
| %bo = lshr i8 64, %sel |
| ret i8 %bo |
| } |
| |
| |
| define i8 @sel_constants_ashr_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_ashr_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: sbfx w0, w0, #0, #1 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 -4, i8 23 |
| %bo = ashr i8 %sel, 5 |
| ret i8 %bo |
| } |
| |
| define i8 @ashr_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: ashr_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: mov w8, #2 |
| ; CHECK-NEXT: cinc x8, x8, eq |
| ; CHECK-NEXT: mov w9, #-128 |
| ; CHECK-NEXT: asr w0, w9, w8 |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, i8 2, i8 3 |
| %bo = ashr i8 128, %sel |
| ret i8 %bo |
| } |
| |
| define double @sel_constants_fadd_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_fadd_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI42_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI42_0] |
| ; CHECK-NEXT: mov x8, #7378697629483820646 |
| ; CHECK-NEXT: movk x8, #16444, lsl #48 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, x8 |
| ; CHECK-NEXT: fcsel d0, d0, d1, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = fadd double %sel, 5.1 |
| ret double %bo |
| } |
| |
| define double @sel_constants_fsub_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_fsub_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI43_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI43_0] |
| ; CHECK-NEXT: mov x8, #3689348814741910323 |
| ; CHECK-NEXT: movk x8, #49186, lsl #48 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, x8 |
| ; CHECK-NEXT: fcsel d0, d1, d0, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = fsub double %sel, 5.1 |
| ret double %bo |
| } |
| |
| define double @fsub_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: fsub_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI44_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI44_0] |
| ; CHECK-NEXT: mov x8, #3689348814741910323 |
| ; CHECK-NEXT: movk x8, #16418, lsl #48 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, x8 |
| ; CHECK-NEXT: fcsel d0, d1, d0, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = fsub double 5.1, %sel |
| ret double %bo |
| } |
| |
| define double @sel_constants_fmul_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_fmul_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI45_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI45_0] |
| ; CHECK-NEXT: mov x8, #7378697629483820646 |
| ; CHECK-NEXT: movk x8, #49204, lsl #48 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, x8 |
| ; CHECK-NEXT: fcsel d0, d1, d0, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = fmul double %sel, 5.1 |
| ret double %bo |
| } |
| |
| define double @sel_constants_fdiv_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_fdiv_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI46_0 |
| ; CHECK-NEXT: adrp x9, .LCPI46_1 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI46_0] |
| ; CHECK-NEXT: ldr d1, [x9, :lo12:.LCPI46_1] |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fcsel d0, d1, d0, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = fdiv double %sel, 5.1 |
| ret double %bo |
| } |
| |
| define double @fdiv_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: fdiv_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI47_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI47_0] |
| ; CHECK-NEXT: mov x8, #7378697629483820646 |
| ; CHECK-NEXT: movk x8, #49140, lsl #48 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, x8 |
| ; CHECK-NEXT: fcsel d0, d1, d0, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = fdiv double 5.1, %sel |
| ret double %bo |
| } |
| |
| define double @sel_constants_frem_constant(i1 %cond) { |
| ; CHECK-LABEL: sel_constants_frem_constant: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI48_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI48_0] |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, #-4.00000000 |
| ; CHECK-NEXT: fcsel d0, d1, d0, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = frem double %sel, 5.1 |
| ret double %bo |
| } |
| |
| define double @frem_constant_sel_constants(i1 %cond) { |
| ; CHECK-LABEL: frem_constant_sel_constants: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI49_0 |
| ; CHECK-NEXT: ldr d0, [x8, :lo12:.LCPI49_0] |
| ; CHECK-NEXT: mov x8, #7378697629483820646 |
| ; CHECK-NEXT: movk x8, #16404, lsl #48 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: fmov d1, x8 |
| ; CHECK-NEXT: fcsel d0, d0, d1, ne |
| ; CHECK-NEXT: ret |
| %sel = select i1 %cond, double -4.0, double 23.3 |
| %bo = frem double 5.1, %sel |
| ret double %bo |
| } |