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view test/CodeGen/AArch64/arm64-2012-05-07-MemcpyAlignBug.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 | 54457678186b |
children | 1172e4bd9c6f |
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; RUN: llc < %s -march arm64 -mcpu=cyclone | FileCheck %s ; <rdar://problem/11294426> @b = private unnamed_addr constant [3 x i32] [i32 1768775988, i32 1685481784, i32 1836253201], align 4 ; The important thing for this test is that we need an unaligned load of `l_b' ; ("ldr w2, [x1, #8]" in this case). ; CHECK: adrp x[[PAGE:[0-9]+]], {{l_b@PAGE|.Lb}} ; CHECK: add x[[ADDR:[0-9]+]], x[[PAGE]], {{l_b@PAGEOFF|:lo12:.Lb}} ; CHECK-NEXT: ldr [[VAL:w[0-9]+]], [x[[ADDR]], #8] ; CHECK-NEXT: str [[VAL]], [x0, #8] ; CHECK-NEXT: ldr [[VAL2:x[0-9]+]], [x[[ADDR]]] ; CHECK-NEXT: str [[VAL2]], [x0] define void @foo(i8* %a) { call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* bitcast ([3 x i32]* @b to i8*), i64 12, i32 4, i1 false) ret void } declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind