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| author | Juergen Ributzka <juergen@apple.com> | 2014-04-08 20:39:59 +0000 |
|---|---|---|
| committer | Juergen Ributzka <juergen@apple.com> | 2014-04-08 20:39:59 +0000 |
| commit | c6a7502a803ceca5d18801a7598d303f7f5bfa0f (patch) | |
| tree | 255a17bfcc26d3b8383de337cd66db03d91410f7 /test/CodeGen/ARM64 | |
| parent | 861e4db90533e6ba7de77c33d7a06857433616ff (diff) | |
| download | llvm-c6a7502a803ceca5d18801a7598d303f7f5bfa0f.tar.gz llvm-c6a7502a803ceca5d18801a7598d303f7f5bfa0f.tar.bz2 llvm-c6a7502a803ceca5d18801a7598d303f7f5bfa0f.tar.xz | |
[Constant Hoisting][ARM64] Enable constant hoisting for ARM64.
This implements the target-hooks for ARM64 to enable constant hoisting.
This fixes <rdar://problem/14774662> and <rdar://problem/16381500>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205791 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM64')
| -rw-r--r-- | test/CodeGen/ARM64/const-addr.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/ARM64/const-addr.ll b/test/CodeGen/ARM64/const-addr.ll new file mode 100644 index 0000000000..c77a6db8fe --- /dev/null +++ b/test/CodeGen/ARM64/const-addr.ll @@ -0,0 +1,23 @@ +; RUN: llc -mtriple=arm64-darwin-unknown < %s | FileCheck %s + +%T = type { i32, i32, i32, i32 } + +; Test if the constant base address gets only materialized once. +define i32 @test1() nounwind { +; CHECK-LABEL: test1 +; CHECK: movz x8, #1039, lsl #16 +; CHECK-NEXT: movk x8, #49152 +; CHECK-NEXT: ldp w9, w10, [x8, #4] +; CHECK: ldr w8, [x8, #12] + %at = inttoptr i64 68141056 to %T* + %o1 = getelementptr %T* %at, i32 0, i32 1 + %t1 = load i32* %o1 + %o2 = getelementptr %T* %at, i32 0, i32 2 + %t2 = load i32* %o2 + %a1 = add i32 %t1, %t2 + %o3 = getelementptr %T* %at, i32 0, i32 3 + %t3 = load i32* %o3 + %a2 = add i32 %a1, %t3 + ret i32 %a2 +} + |