; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s %struct.anon = type { i32*, i32* } @ptr_wrapper = common global %struct.anon* null, align 8 define i32 @test_func_i32_two_uses(i32 %in, i32 %bit, i32 %mask) { ; CHECK-LABEL: test_func_i32_two_uses: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: adrp x9, :got:ptr_wrapper ; CHECK-NEXT: mov w8, w0 ; CHECK-NEXT: mov w0, wzr ; CHECK-NEXT: ldr x9, [x9, :got_lo12:ptr_wrapper] ; CHECK-NEXT: ldr x9, [x9] ; CHECK-NEXT: b .LBB0_3 ; CHECK-NEXT: .LBB0_1: // in Loop: Header=BB0_3 Depth=1 ; CHECK-NEXT: str xzr, [x9, #8] ; CHECK-NEXT: .LBB0_2: // in Loop: Header=BB0_3 Depth=1 ; CHECK-NEXT: lsl w1, w1, #1 ; CHECK-NEXT: cbz w1, .LBB0_6 ; CHECK-NEXT: .LBB0_3: // %do.body ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: ands w10, w1, w8 ; CHECK-NEXT: and w11, w2, w8 ; CHECK-NEXT: cinc w0, w0, ne ; CHECK-NEXT: cmp w10, w11 ; CHECK-NEXT: b.eq .LBB0_1 ; CHECK-NEXT: // %bb.4: // %do.body ; CHECK-NEXT: // in Loop: Header=BB0_3 Depth=1 ; CHECK-NEXT: cbnz w2, .LBB0_1 ; CHECK-NEXT: // %bb.5: // %do.body ; CHECK-NEXT: // in Loop: Header=BB0_3 Depth=1 ; CHECK-NEXT: cbz w10, .LBB0_2 ; CHECK-NEXT: b .LBB0_1 ; CHECK-NEXT: .LBB0_6: // %do.end ; CHECK-NEXT: ret entry: %0 = load %struct.anon*, %struct.anon** @ptr_wrapper, align 8 %result = getelementptr inbounds %struct.anon, %struct.anon* %0, i64 0, i32 1 %tobool2 = icmp ne i32 %mask, 0 br label %do.body do.body: ; preds = %4, %entry %bit.addr.0 = phi i32 [ %bit, %entry ], [ %shl, %4 ] %retval1.0 = phi i32 [ 0, %entry ], [ %retval1.1, %4 ] %and = and i32 %bit.addr.0, %in %tobool = icmp eq i32 %and, 0 %not.tobool = xor i1 %tobool, true %inc = zext i1 %not.tobool to i32 %retval1.1 = add nuw nsw i32 %retval1.0, %inc %1 = xor i1 %tobool, true %2 = or i1 %tobool2, %1 %dummy = and i32 %mask, %in %use_and = icmp eq i32 %and, %dummy %dummy_or = or i1 %use_and, %2 br i1 %dummy_or, label %3, label %4 3: ; preds = %do.body store i32* null, i32** %result, align 8 br label %4 4: ; preds = %do.body, %3 %shl = shl i32 %bit.addr.0, 1 %tobool6 = icmp eq i32 %shl, 0 br i1 %tobool6, label %do.end, label %do.body do.end: ; preds = %4 ret i32 %retval1.1 } define i32 @test_func_i64_one_use(i64 %in, i64 %bit, i64 %mask) { ; CHECK-LABEL: test_func_i64_one_use: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: adrp x9, :got:ptr_wrapper ; CHECK-NEXT: mov x8, x0 ; CHECK-NEXT: mov w0, wzr ; CHECK-NEXT: ldr x9, [x9, :got_lo12:ptr_wrapper] ; CHECK-NEXT: ldr x9, [x9] ; CHECK-NEXT: b .LBB1_2 ; CHECK-NEXT: .LBB1_1: // in Loop: Header=BB1_2 Depth=1 ; CHECK-NEXT: lsl x1, x1, #1 ; CHECK-NEXT: cbz x1, .LBB1_4 ; CHECK-NEXT: .LBB1_2: // %do.body ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: ands x10, x1, x8 ; CHECK-NEXT: orr x10, x2, x10 ; CHECK-NEXT: cinc w0, w0, ne ; CHECK-NEXT: cbz x10, .LBB1_1 ; CHECK-NEXT: // %bb.3: // in Loop: Header=BB1_2 Depth=1 ; CHECK-NEXT: str xzr, [x9, #8] ; CHECK-NEXT: b .LBB1_1 ; CHECK-NEXT: .LBB1_4: // %do.end ; CHECK-NEXT: ret entry: %0 = load %struct.anon*, %struct.anon** @ptr_wrapper, align 8 %result = getelementptr inbounds %struct.anon, %struct.anon* %0, i64 0, i32 1 %tobool2 = icmp ne i64 %mask, 0 br label %do.body do.body: ; preds = %4, %entry %bit.addr.0 = phi i64 [ %bit, %entry ], [ %shl, %4 ] %retval1.0 = phi i32 [ 0, %entry ], [ %retval1.1, %4 ] %and = and i64 %bit.addr.0, %in %tobool = icmp eq i64 %and, 0 %not.tobool = xor i1 %tobool, true %inc = zext i1 %not.tobool to i32 %retval1.1 = add nuw nsw i32 %retval1.0, %inc %1 = xor i1 %tobool, true %2 = or i1 %tobool2, %1 br i1 %2, label %3, label %4 3: ; preds = %do.body store i32* null, i32** %result, align 8 br label %4 4: ; preds = %do.body, %3 %shl = shl i64 %bit.addr.0, 1 %tobool6 = icmp eq i64 %shl, 0 br i1 %tobool6, label %do.end, label %do.body do.end: ; preds = %4 ret i32 %retval1.1 } define i64 @test_and1(i64 %x, i64 %y) { ; CHECK-LABEL: test_and1: ; CHECK: // %bb.0: ; CHECK-NEXT: ands x8, x0, #0x3 ; CHECK-NEXT: csel x0, x8, x1, eq ; CHECK-NEXT: ret %a = and i64 %x, 3 %c = icmp eq i64 %a, 0 %s = select i1 %c, i64 %a, i64 %y ret i64 %s } define i64 @test_and2(i64 %x, i64 %y) { ; CHECK-LABEL: test_and2: ; CHECK: // %bb.0: ; CHECK-NEXT: tst x0, #0x3 ; CHECK-NEXT: csel x0, x0, x1, eq ; CHECK-NEXT: ret %a = and i64 %x, 3 %c = icmp eq i64 %a, 0 %s = select i1 %c, i64 %x, i64 %y ret i64 %s } define i64 @test_and3(i64 %x, i64 %y) { ; CHECK-LABEL: test_and3: ; CHECK: // %bb.0: ; CHECK-NEXT: str x30, [sp, #-32]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 32 ; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill ; CHECK-NEXT: .cfi_offset w19, -8 ; CHECK-NEXT: .cfi_offset w20, -16 ; CHECK-NEXT: .cfi_offset w30, -32 ; CHECK-NEXT: mov x20, x0 ; CHECK-NEXT: mov x0, xzr ; CHECK-NEXT: mov x19, x1 ; CHECK-NEXT: bl callee ; CHECK-NEXT: ands x8, x20, #0x3 ; CHECK-NEXT: csel x0, x8, x19, eq ; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload ; CHECK-NEXT: ldr x30, [sp], #32 // 8-byte Folded Reload ; CHECK-NEXT: ret %a = and i64 %x, 3 %b = call i64 @callee(i64 0) %c = icmp eq i64 %a, 0 %s = select i1 %c, i64 %a, i64 %y ret i64 %s } define i64 @test_and_4(i64 %x, i64 %y) { ; CHECK-LABEL: test_and_4: ; CHECK: // %bb.0: ; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w19, -8 ; CHECK-NEXT: .cfi_offset w30, -16 ; CHECK-NEXT: mov x19, x0 ; CHECK-NEXT: ands x0, x0, #0x3 ; CHECK-NEXT: bl callee ; CHECK-NEXT: ands x8, x19, #0x3 ; CHECK-NEXT: csel x0, x8, x0, eq ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload ; CHECK-NEXT: ret %a = and i64 %x, 3 %b = call i64 @callee(i64 %a) %c = icmp eq i64 %a, 0 %s = select i1 %c, i64 %a, i64 %b ret i64 %s } define i64 @test_add(i64 %x, i64 %y) { ; CHECK-LABEL: test_add: ; CHECK: // %bb.0: ; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w19, -8 ; CHECK-NEXT: .cfi_offset w30, -16 ; CHECK-NEXT: add x19, x0, #3 ; CHECK-NEXT: mov x0, xzr ; CHECK-NEXT: bl callee ; CHECK-NEXT: cmp x19, #0 ; CHECK-NEXT: csel x0, x19, x0, eq ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload ; CHECK-NEXT: ret %a = add i64 %x, 3 %b = call i64 @callee(i64 0) %c = icmp eq i64 %a, 0 %s = select i1 %c, i64 %a, i64 %b ret i64 %s } declare i64 @callee(i64)