| ; 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: fullGtU |
| ; CHECK: adrp [[PAGE:x[0-9]+]], _block@GOTPAGE |
| ; CHECK: ldr [[ADDR:x[0-9]+]], {{\[}}[[PAGE]], _block@GOTPAGEOFF] |
| ; CHECK: sxtw [[I1:x[0-9]+]], w0 |
| ; CHECK: sxtw [[I2:x[0-9]+]], w1 |
| ; CHECK-NEXT: ldr [[BLOCKBASE:x[0-9]+]], {{\[}}[[ADDR]]] |
| ; CHECK-NEXT: ldrb [[BLOCKVAL1:w[0-9]+]], {{\[}}[[BLOCKBASE]], [[I1]]] |
| ; CHECK-NEXT: ldrb [[BLOCKVAL2:w[0-9]+]], {{\[}}[[BLOCKBASE]], [[I2]]] |
| |
| ; CHECK-NEXT: cmp [[BLOCKVAL1]], [[BLOCKVAL2]] |
| ; CHECK-NEXT: b.ne |
| ; Next BB |
| ; CHECK: add [[BLOCKBASE1:x[0-9]+]], [[I1]], [[BLOCKBASE]] |
| ; CHECK-NEXT: add [[BLOCKBASE2:x[0-9]+]], [[I2]], [[BLOCKBASE]] |
| ; CHECK-NEXT: ldrb [[LOADEDVAL1:w[0-9]+]], {{\[}}[[BLOCKBASE1]], #1] |
| ; CHECK-NEXT: ldrb [[LOADEDVAL2:w[0-9]+]], {{\[}}[[BLOCKBASE2]], #1] |
| ; CHECK-NEXT: cmp [[LOADEDVAL1]], [[LOADEDVAL2]] |
| ; CHECK-NEXT: b.ne |
| ; Next BB |
| ; CHECK: ldrb [[LOADEDVAL3:w[0-9]+]], {{\[}}[[BLOCKBASE1]], #2] |
| ; CHECK-NEXT: ldrb [[LOADEDVAL4:w[0-9]+]], {{\[}}[[BLOCKBASE2]], #2] |
| ; CHECK-NEXT: cmp [[LOADEDVAL3]], [[LOADEDVAL4]] |
| 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 |
| } |
