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 3; rdar://13452552 4; Disable the collecting of LOH so that the labels do not get in the 5; way of the NEXT patterns. 6target 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" 7 8@block = common global ptr null, align 8 9 10define zeroext i8 @fullGtU(i32 %i1, i32 %i2) { 11; CHECK-LABEL: fullGtU: 12; CHECK: ; %bb.0: ; %entry 13; CHECK-NEXT: adrp x9, _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 x8, w0 17; CHECK-NEXT: sxtw x10, w1 18; CHECK-NEXT: ldr x9, [x9, _block@GOTPAGEOFF] 19; CHECK-NEXT: ldr x9, [x9] 20; CHECK-NEXT: ldrb w11, [x9, x8] 21; CHECK-NEXT: ldrb w12, [x9, 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 x8, x8, x9 26; CHECK-NEXT: add x9, x10, x9 27; CHECK-NEXT: ldrb w10, [x8, #1] 28; CHECK-NEXT: ldrb w11, [x9, #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 w8, [x8, #2] 33; CHECK-NEXT: ldrb w9, [x9, #2] 34; CHECK-NEXT: cmp w8, w9 35; CHECK-NEXT: cset w8, hi 36; CHECK-NEXT: csel w0, wzr, w8, eq 37; CHECK-NEXT: ret 38; CHECK-NEXT: LBB0_3: ; %if.then19 39; CHECK-NEXT: cset w0, hi 40; CHECK-NEXT: ret 41entry: 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 51 52if.then: ; preds = %entry 53 %cmp7 = icmp ugt i8 %tmp1, %tmp2 54 %conv9 = zext i1 %cmp7 to i8 55 br label %return 56 57if.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 68 69if.then19: ; preds = %if.end 70 %cmp22 = icmp ugt i8 %tmp3, %tmp4 71 %conv24 = zext i1 %cmp22 to i8 72 br label %return 73 74if.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 85 86if.then36: ; preds = %if.end25 87 %cmp39 = icmp ugt i8 %tmp5, %tmp6 88 %conv41 = zext i1 %cmp39 to i8 89 br label %return 90 91return: ; 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 ] 93 ret i8 %retval.0 94} 95