1 ; RUN: llc -march arm64 < %s | FileCheck %s
3 ; ModuleID = 'reduced_test.ll'
4 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"
5 target triple = "arm64-apple-ios3.0.0"
7 @block = common global i8* null, align 8
9 define zeroext i8 @fullGtU(i32 %i1, i32 %i2) {
11 ; CHECK: adrp [[PAGE:x[0-9]+]], _block@GOTPAGE
12 ; CHECK: ldr [[ADDR:x[0-9]+]], {{\[}}[[PAGE]], _block@GOTPAGEOFF]
13 ; CHECK-NEXT: ldr [[BLOCKBASE:x[0-9]+]], {{\[}}[[ADDR]]]
14 ; CHECK-NEXT: ldrb [[BLOCKVAL1:w[0-9]+]], {{\[}}[[BLOCKBASE]], w0, sxtw]
15 ; CHECK-NEXT: ldrb [[BLOCKVAL2:w[0-9]+]], {{\[}}[[BLOCKBASE]], w1, sxtw]
16 ; CHECK-NEXT cmp [[BLOCKVAL1]], [[BLOCKVAL2]]
19 ; CHECK: add [[BLOCKBASE2:x[0-9]+]], [[BLOCKBASE]], w1, sxtw
20 ; CHECK-NEXT: add [[BLOCKBASE1:x[0-9]+]], [[BLOCKBASE]], w0, sxtw
21 ; CHECK-NEXT: ldrb [[LOADEDVAL1:w[0-9]+]], {{\[}}[[BLOCKBASE1]], #1]
22 ; CHECK-NEXT: ldrb [[LOADEDVAL2:w[0-9]+]], {{\[}}[[BLOCKBASE2]], #1]
23 ; CHECK-NEXT: cmp [[LOADEDVAL1]], [[LOADEDVAL2]]
26 ; CHECK: ldrb [[LOADEDVAL3:w[0-9]+]], {{\[}}[[BLOCKBASE1]], #2]
27 ; CHECK-NEXT: ldrb [[LOADEDVAL4:w[0-9]+]], {{\[}}[[BLOCKBASE2]], #2]
28 ; CHECK-NEXT: cmp [[LOADEDVAL3]], [[LOADEDVAL4]]
30 %idxprom = sext i32 %i1 to i64
31 %tmp = load i8** @block, align 8
32 %arrayidx = getelementptr inbounds i8* %tmp, i64 %idxprom
33 %tmp1 = load i8* %arrayidx, align 1
34 %idxprom1 = sext i32 %i2 to i64
35 %arrayidx2 = getelementptr inbounds i8* %tmp, i64 %idxprom1
36 %tmp2 = load i8* %arrayidx2, align 1
37 %cmp = icmp eq i8 %tmp1, %tmp2
38 br i1 %cmp, label %if.end, label %if.then
40 if.then: ; preds = %entry
41 %cmp7 = icmp ugt i8 %tmp1, %tmp2
42 %conv9 = zext i1 %cmp7 to i8
45 if.end: ; preds = %entry
46 %inc = add nsw i32 %i1, 1
47 %inc10 = add nsw i32 %i2, 1
48 %idxprom11 = sext i32 %inc to i64
49 %arrayidx12 = getelementptr inbounds i8* %tmp, i64 %idxprom11
50 %tmp3 = load i8* %arrayidx12, align 1
51 %idxprom13 = sext i32 %inc10 to i64
52 %arrayidx14 = getelementptr inbounds i8* %tmp, i64 %idxprom13
53 %tmp4 = load i8* %arrayidx14, align 1
54 %cmp17 = icmp eq i8 %tmp3, %tmp4
55 br i1 %cmp17, label %if.end25, label %if.then19
57 if.then19: ; preds = %if.end
58 %cmp22 = icmp ugt i8 %tmp3, %tmp4
59 %conv24 = zext i1 %cmp22 to i8
62 if.end25: ; preds = %if.end
63 %inc26 = add nsw i32 %i1, 2
64 %inc27 = add nsw i32 %i2, 2
65 %idxprom28 = sext i32 %inc26 to i64
66 %arrayidx29 = getelementptr inbounds i8* %tmp, i64 %idxprom28
67 %tmp5 = load i8* %arrayidx29, align 1
68 %idxprom30 = sext i32 %inc27 to i64
69 %arrayidx31 = getelementptr inbounds i8* %tmp, i64 %idxprom30
70 %tmp6 = load i8* %arrayidx31, align 1
71 %cmp34 = icmp eq i8 %tmp5, %tmp6
72 br i1 %cmp34, label %return, label %if.then36
74 if.then36: ; preds = %if.end25
75 %cmp39 = icmp ugt i8 %tmp5, %tmp6
76 %conv41 = zext i1 %cmp39 to i8
79 return: ; preds = %if.then36, %if.end25, %if.then19, %if.then
80 %retval.0 = phi i8 [ %conv9, %if.then ], [ %conv24, %if.then19 ], [ %conv41, %if.then36 ], [ 0, %if.end25 ]