| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=arm64-apple-ios3.0.0 -aarch64-enable-collect-loh=false | FileCheck %s |
| ; rdar://13452552 |
| ; Disable the collecting of LOH so that the labels do not get in the |
| ; way of the NEXT patterns. |
| 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" |
| |
| @block = common global i8* null, align 8 |
| |
| define zeroext i8 @fullGtU(i32 %i1, i32 %i2) { |
| ; CHECK-LABEL: fullGtU: |
| ; CHECK: ; %bb.0: ; %entry |
| ; CHECK-NEXT: adrp x10, _block@GOTPAGE |
| ; CHECK-NEXT: ; kill: def $w1 killed $w1 def $x1 |
| ; CHECK-NEXT: ; kill: def $w0 killed $w0 def $x0 |
| ; CHECK-NEXT: sxtw x8, w0 |
| ; CHECK-NEXT: sxtw x9, w1 |
| ; CHECK-NEXT: ldr x10, [x10, _block@GOTPAGEOFF] |
| ; CHECK-NEXT: ldr x10, [x10] |
| ; CHECK-NEXT: ldrb w11, [x10, x8] |
| ; CHECK-NEXT: ldrb w12, [x10, x9] |
| ; CHECK-NEXT: cmp w11, w12 |
| ; CHECK-NEXT: b.ne LBB0_3 |
| ; CHECK-NEXT: ; %bb.1: ; %if.end |
| ; CHECK-NEXT: add x8, x8, x10 |
| ; CHECK-NEXT: add x9, x9, x10 |
| ; CHECK-NEXT: ldrb w10, [x8, #1] |
| ; CHECK-NEXT: ldrb w11, [x9, #1] |
| ; CHECK-NEXT: cmp w10, w11 |
| ; CHECK-NEXT: b.ne LBB0_3 |
| ; CHECK-NEXT: ; %bb.2: ; %if.end25 |
| ; CHECK-NEXT: ldrb w8, [x8, #2] |
| ; CHECK-NEXT: ldrb w9, [x9, #2] |
| ; CHECK-NEXT: cmp w8, w9 |
| ; CHECK-NEXT: cset w8, hi |
| ; CHECK-NEXT: csel w0, wzr, w8, eq |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: LBB0_3: ; %if.then19 |
| ; CHECK-NEXT: cset w0, hi |
| ; CHECK-NEXT: ret |
| entry: |
| %idxprom = sext i32 %i1 to i64 |
| %tmp = load i8*, i8** @block, align 8 |
| %arrayidx = getelementptr inbounds i8, i8* %tmp, i64 %idxprom |
| %tmp1 = load i8, i8* %arrayidx, align 1 |
| %idxprom1 = sext i32 %i2 to i64 |
| %arrayidx2 = getelementptr inbounds i8, i8* %tmp, i64 %idxprom1 |
| %tmp2 = load i8, i8* %arrayidx2, align 1 |
| %cmp = icmp eq i8 %tmp1, %tmp2 |
| br i1 %cmp, label %if.end, label %if.then |
| |
| if.then: ; preds = %entry |
| %cmp7 = icmp ugt i8 %tmp1, %tmp2 |
| %conv9 = zext i1 %cmp7 to i8 |
| br label %return |
| |
| if.end: ; preds = %entry |
| %inc = add nsw i32 %i1, 1 |
| %inc10 = add nsw i32 %i2, 1 |
| %idxprom11 = sext i32 %inc to i64 |
| %arrayidx12 = getelementptr inbounds i8, i8* %tmp, i64 %idxprom11 |
| %tmp3 = load i8, i8* %arrayidx12, align 1 |
| %idxprom13 = sext i32 %inc10 to i64 |
| %arrayidx14 = getelementptr inbounds i8, i8* %tmp, i64 %idxprom13 |
| %tmp4 = load i8, i8* %arrayidx14, align 1 |
| %cmp17 = icmp eq i8 %tmp3, %tmp4 |
| br i1 %cmp17, label %if.end25, label %if.then19 |
| |
| if.then19: ; preds = %if.end |
| %cmp22 = icmp ugt i8 %tmp3, %tmp4 |
| %conv24 = zext i1 %cmp22 to i8 |
| br label %return |
| |
| if.end25: ; preds = %if.end |
| %inc26 = add nsw i32 %i1, 2 |
| %inc27 = add nsw i32 %i2, 2 |
| %idxprom28 = sext i32 %inc26 to i64 |
| %arrayidx29 = getelementptr inbounds i8, i8* %tmp, i64 %idxprom28 |
| %tmp5 = load i8, i8* %arrayidx29, align 1 |
| %idxprom30 = sext i32 %inc27 to i64 |
| %arrayidx31 = getelementptr inbounds i8, i8* %tmp, i64 %idxprom30 |
| %tmp6 = load i8, i8* %arrayidx31, align 1 |
| %cmp34 = icmp eq i8 %tmp5, %tmp6 |
| br i1 %cmp34, label %return, label %if.then36 |
| |
| if.then36: ; preds = %if.end25 |
| %cmp39 = icmp ugt i8 %tmp5, %tmp6 |
| %conv41 = zext i1 %cmp39 to i8 |
| br label %return |
| |
| return: ; preds = %if.then36, %if.end25, %if.then19, %if.then |
| %retval.0 = phi i8 [ %conv9, %if.then ], [ %conv24, %if.then19 ], [ %conv41, %if.then36 ], [ 0, %if.end25 ] |
| ret i8 %retval.0 |
| } |