1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=arm64-apple-ios3.0.0 -aarch64-enable-collect-loh=false | FileCheck %s
4 ; Disable the collecting of LOH so that the labels do not get in the
5 ; way of the NEXT patterns.
6 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32:64-S128"
8 @block = common global ptr null, align 8
10 define zeroext i8 @fullGtU(i32 %i1, i32 %i2) {
11 ; CHECK-LABEL: fullGtU:
12 ; CHECK: ; %bb.0: ; %entry
13 ; CHECK-NEXT: adrp x8, _block@GOTPAGE
14 ; CHECK-NEXT: ; kill: def $w1 killed $w1 def $x1
15 ; CHECK-NEXT: ; kill: def $w0 killed $w0 def $x0
16 ; CHECK-NEXT: sxtw x9, w0
17 ; CHECK-NEXT: sxtw x10, w1
18 ; CHECK-NEXT: ldr x8, [x8, _block@GOTPAGEOFF]
19 ; CHECK-NEXT: ldr x8, [x8]
20 ; CHECK-NEXT: ldrb w11, [x8, x9]
21 ; CHECK-NEXT: ldrb w12, [x8, x10]
22 ; CHECK-NEXT: cmp w11, w12
23 ; CHECK-NEXT: b.ne LBB0_3
24 ; CHECK-NEXT: ; %bb.1: ; %if.end
25 ; CHECK-NEXT: add x9, x9, x8
26 ; CHECK-NEXT: add x8, x10, x8
27 ; CHECK-NEXT: ldrb w10, [x9, #1]
28 ; CHECK-NEXT: ldrb w11, [x8, #1]
29 ; CHECK-NEXT: cmp w10, w11
30 ; CHECK-NEXT: b.ne LBB0_3
31 ; CHECK-NEXT: ; %bb.2: ; %if.end25
32 ; CHECK-NEXT: ldrb w9, [x9, #2]
33 ; CHECK-NEXT: ldrb w8, [x8, #2]
34 ; CHECK-NEXT: cmp w9, w8
35 ; CHECK-NEXT: cset w8, hi
36 ; CHECK-NEXT: csel w0, wzr, w8, eq
38 ; CHECK-NEXT: LBB0_3: ; %if.then19
39 ; CHECK-NEXT: cset w0, hi
42 %idxprom = sext i32 %i1 to i64
43 %tmp = load ptr, ptr @block, align 8
44 %arrayidx = getelementptr inbounds i8, ptr %tmp, i64 %idxprom
45 %tmp1 = load i8, ptr %arrayidx, align 1
46 %idxprom1 = sext i32 %i2 to i64
47 %arrayidx2 = getelementptr inbounds i8, ptr %tmp, i64 %idxprom1
48 %tmp2 = load i8, ptr %arrayidx2, align 1
49 %cmp = icmp eq i8 %tmp1, %tmp2
50 br i1 %cmp, label %if.end, label %if.then
52 if.then: ; preds = %entry
53 %cmp7 = icmp ugt i8 %tmp1, %tmp2
54 %conv9 = zext i1 %cmp7 to i8
57 if.end: ; preds = %entry
58 %inc = add nsw i32 %i1, 1
59 %inc10 = add nsw i32 %i2, 1
60 %idxprom11 = sext i32 %inc to i64
61 %arrayidx12 = getelementptr inbounds i8, ptr %tmp, i64 %idxprom11
62 %tmp3 = load i8, ptr %arrayidx12, align 1
63 %idxprom13 = sext i32 %inc10 to i64
64 %arrayidx14 = getelementptr inbounds i8, ptr %tmp, i64 %idxprom13
65 %tmp4 = load i8, ptr %arrayidx14, align 1
66 %cmp17 = icmp eq i8 %tmp3, %tmp4
67 br i1 %cmp17, label %if.end25, label %if.then19
69 if.then19: ; preds = %if.end
70 %cmp22 = icmp ugt i8 %tmp3, %tmp4
71 %conv24 = zext i1 %cmp22 to i8
74 if.end25: ; preds = %if.end
75 %inc26 = add nsw i32 %i1, 2
76 %inc27 = add nsw i32 %i2, 2
77 %idxprom28 = sext i32 %inc26 to i64
78 %arrayidx29 = getelementptr inbounds i8, ptr %tmp, i64 %idxprom28
79 %tmp5 = load i8, ptr %arrayidx29, align 1
80 %idxprom30 = sext i32 %inc27 to i64
81 %arrayidx31 = getelementptr inbounds i8, ptr %tmp, i64 %idxprom30
82 %tmp6 = load i8, ptr %arrayidx31, align 1
83 %cmp34 = icmp eq i8 %tmp5, %tmp6
84 br i1 %cmp34, label %return, label %if.then36
86 if.then36: ; preds = %if.end25
87 %cmp39 = icmp ugt i8 %tmp5, %tmp6
88 %conv41 = zext i1 %cmp39 to i8
91 return: ; preds = %if.then36, %if.end25, %if.then19, %if.then
92 %retval.0 = phi i8 [ %conv9, %if.then ], [ %conv24, %if.then19 ], [ %conv41, %if.then36 ], [ 0, %if.end25 ]