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| author | Renato Golin <renato.golin@arm.com> | 2011-05-22 21:41:23 +0000 |
|---|---|---|
| committer | Renato Golin <renato.golin@arm.com> | 2011-05-22 21:41:23 +0000 |
| commit | 1ec11fb8b502971071a57b8b2de129f86bd41de0 (patch) | |
| tree | 649f8511e819a0cec7103a10225820c5e21fa47d /test | |
| parent | fbc539ff37ddd08c2480be9185e7a40919ce8940 (diff) | |
| download | external_llvm-1ec11fb8b502971071a57b8b2de129f86bd41de0.zip external_llvm-1ec11fb8b502971071a57b8b2de129f86bd41de0.tar.gz external_llvm-1ec11fb8b502971071a57b8b2de129f86bd41de0.tar.bz2 | |
RTABI chapter 4.3.4 specifies __eabi_mem* calls. Specifically, __eabi_memset accepts parameters (ptr, size, value) in a different order than GNU's memset (ptr, value, size), therefore the special lowering in AAPCS mode. Implementation by Evzen Muller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131868 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/ARM/memfunc.ll | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/test/CodeGen/ARM/memfunc.ll b/test/CodeGen/ARM/memfunc.ll index 41d5944..032129d 100644 --- a/test/CodeGen/ARM/memfunc.ll +++ b/test/CodeGen/ARM/memfunc.ll @@ -1,10 +1,26 @@ -; RUN: llc < %s -march=arm +; RUN: llc < %s -march=arm -o - | FileCheck %s +; RUN: llc < %s -mtriple=arm-none-eabi -o - | FileCheck --check-prefix=EABI %s + +@from = common global [500 x i32] zeroinitializer, align 4 +@to = common global [500 x i32] zeroinitializer, align 4 define void @f() { entry: - call void @llvm.memmove.i32( i8* null, i8* null, i32 64, i32 0 ) - call void @llvm.memcpy.i32( i8* null, i8* null, i32 64, i32 0 ) - call void @llvm.memset.i32( i8* null, i8 64, i32 0, i32 0 ) + + ; CHECK: memmove + ; EABI: __aeabi_memmove + call void @llvm.memmove.i32( i8* bitcast ([500 x i32]* @from to i8*), i8* bitcast ([500 x i32]* @to to i8*), i32 500, i32 0 ) + + ; CHECK: memcpy + ; EABI: __aeabi_memcpy + call void @llvm.memcpy.i32( i8* bitcast ([500 x i32]* @from to i8*), i8* bitcast ([500 x i32]* @to to i8*), i32 500, i32 0 ) + + ; EABI memset swaps arguments + ; CHECK: mov r1, #0 + ; CHECK: memset + ; EABI: mov r2, #0 + ; EABI: __aeabi_memset + call void @llvm.memset.i32( i8* bitcast ([500 x i32]* @from to i8*), i8 0, i32 500, i32 0 ) unreachable } |