; RUN: llc -march arm64 < %s | FileCheck %s ; rdar://13452552 ; ModuleID = 'reduced_test.ll' 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" target triple = "arm64-apple-ios3.0.0" @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-NEXT: ldr [[BLOCKBASE:x[0-9]+]], {{\[}}[[ADDR]]] ; CHECK-NEXT: ldrb [[BLOCKVAL1:w[0-9]+]], {{\[}}[[BLOCKBASE]], w0, sxtw] ; CHECK-NEXT: ldrb [[BLOCKVAL2:w[0-9]+]], {{\[}}[[BLOCKBASE]], w1, sxtw] ; CHECK-NEXT cmp [[BLOCKVAL1]], [[BLOCKVAL2]] ; CHECK-NEXT b.ne ; Next BB ; CHECK: add [[BLOCKBASE2:x[0-9]+]], [[BLOCKBASE]], w1, sxtw ; CHECK-NEXT: add [[BLOCKBASE1:x[0-9]+]], [[BLOCKBASE]], w0, sxtw ; 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** @block, align 8 %arrayidx = getelementptr inbounds i8* %tmp, i64 %idxprom %tmp1 = load i8* %arrayidx, align 1 %idxprom1 = sext i32 %i2 to i64 %arrayidx2 = getelementptr inbounds i8* %tmp, i64 %idxprom1 %tmp2 = load 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* %tmp, i64 %idxprom11 %tmp3 = load i8* %arrayidx12, align 1 %idxprom13 = sext i32 %inc10 to i64 %arrayidx14 = getelementptr inbounds i8* %tmp, i64 %idxprom13 %tmp4 = load 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* %tmp, i64 %idxprom28 %tmp5 = load i8* %arrayidx29, align 1 %idxprom30 = sext i32 %inc27 to i64 %arrayidx31 = getelementptr inbounds i8* %tmp, i64 %idxprom30 %tmp6 = load 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 }