diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/alias_align.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/alias_align.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/alias_align.ll b/llvm/test/CodeGen/ARM/alias_align.ll new file mode 100644 index 00000000000..452dfefbfcc --- /dev/null +++ b/llvm/test/CodeGen/ARM/alias_align.ll @@ -0,0 +1,25 @@ +; RUN: llc < %s | FileCheck %s + +target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" +target triple = "armv8-arm-none-eabi" + +; Check the loads happen after the stores (note: directly returning 0 is also valid) +; CHECK-LABEL: somesortofhash +; CHECK-NOT: ldr +; CHECK: str + +define i64 @somesortofhash() { +entry: + %helper = alloca i8, i32 64, align 8 + %helper.0.4x32 = bitcast i8* %helper to <4 x i32>* + %helper.20 = getelementptr inbounds i8, i8* %helper, i32 20 + %helper.24 = getelementptr inbounds i8, i8* %helper, i32 24 + store <4 x i32> zeroinitializer, <4 x i32>* %helper.0.4x32, align 8 + %helper.20.32 = bitcast i8* %helper.20 to i32* + %helper.24.32 = bitcast i8* %helper.24 to i32* + store i32 0, i32* %helper.20.32 + store i32 0, i32* %helper.24.32, align 8 + %helper.20.64 = bitcast i8* %helper.20 to i64* + %load.helper.20.64 = load i64, i64* %helper.20.64, align 4 + ret i64 %load.helper.20.64 +} |

