Gitiles
Code Review Sign In
gerrit-public.fairphone.software / toolchain / llvm-project / c89f2919a47f9a67e787dfad1ea5c20c69bf0b86 / . / llvm / test / CodeGen / AArch64 / arm64-volatile.ll
blob: 28facb6da7c6df1d7a7b36081ad46716fa0c3ec2 [file] [log] [blame]
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]1; RUN: llc < %s -march=arm64 | FileCheck %s
2define i64 @normal_load(i64* nocapture %bar) nounwind readonly {
3; CHECK: normal_load
4; CHECK: ldp
5; CHECK-NEXT: add
6; CHECK-NEXT: ret
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]7 %add.ptr = getelementptr inbounds i64, i64* %bar, i64 1
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]8 %tmp = load i64, i64* %add.ptr, align 8
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]9 %add.ptr1 = getelementptr inbounds i64, i64* %bar, i64 2
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]10 %tmp1 = load i64, i64* %add.ptr1, align 8
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]11 %add = add nsw i64 %tmp1, %tmp
12 ret i64 %add
13}
14
15define i64 @volatile_load(i64* nocapture %bar) nounwind {
16; CHECK: volatile_load
17; CHECK: ldr
18; CHECK-NEXT: ldr
19; CHECK-NEXT: add
20; CHECK-NEXT: ret
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]21 %add.ptr = getelementptr inbounds i64, i64* %bar, i64 1
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]22 %tmp = load volatile i64, i64* %add.ptr, align 8
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]23 %add.ptr1 = getelementptr inbounds i64, i64* %bar, i64 2
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]24 %tmp1 = load volatile i64, i64* %add.ptr1, align 8
Tim Northover00ed9962014-03-29 10:18:08 +0000[diff] [blame]25 %add = add nsw i64 %tmp1, %tmp
26 ret i64 %add
27}