| # RUN: llc -mtriple=aarch64 -run-pass=aarch64-ldst-opt %s -verify-machineinstrs -o - | FileCheck %s |
| --- | |
| @g = common dso_local global i32 0, align 4 |
| |
| define i32 @test() { |
| entry: |
| store i32 0, i32* @g, align 4 |
| %0 = load i32, i32* undef, align 4 |
| ret i32 %0 |
| } |
| |
| ... |
| --- |
| # Don't crash when there's no immediate operand for store. |
| # CHECK-LABEL: name: test |
| # CHECK: STRWui $wzr |
| # CHECK: LDRWui |
| name: test |
| tracksRegLiveness: true |
| body: | |
| bb.0.entry: |
| renamable $x8 = ADRP target-flags(aarch64-page) @g |
| STRWui $wzr, killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @g :: (store (s32) into @g) |
| renamable $w0 = LDRWui undef renamable $x8, 0 :: (load (s32) from `i32* undef`) |
| RET_ReallyLR implicit $w0 |
| |
| ... |
