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view test/CodeGen/AArch64/arm64-2011-10-18-LdStOptBug.ll @ 100:7d135dc70f03 LLVM 3.9
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | afa8332a0e37 |
children |
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; RUN: llc < %s -mtriple=arm64-apple-ios | FileCheck %s ; Can't fold the increment by 1<<12 into a post-increment load ; rdar://10301335 @test_data = common global i32 0, align 4 define void @t() nounwind ssp { ; CHECK-LABEL: t: entry: br label %for.body for.body: ; CHECK: for.body ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, x{{[0-9]+}}] ; CHECK: add x[[REG:[0-9]+]], ; CHECK: x[[REG]], #1, lsl #12 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %0 = shl nsw i64 %indvars.iv, 12 %add = add nsw i64 %0, 34628173824 %1 = inttoptr i64 %add to i32* %2 = load volatile i32, i32* %1, align 4096 store volatile i32 %2, i32* @test_data, align 4 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 200 br i1 %exitcond, label %for.end, label %for.body for.end: ret void }