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; 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
}
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