llvm/test/CodeGen/ARM/ldrd-memoper.ll
Andrew Trick 95bc85e4ee Preserve MachineMemOperands in ARMLoadStoreOptimizer.
Fixes PR8113.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11 22:18:09 +00:00

16 lines
432 B
LLVM

; RUN: llc %s -o /dev/null -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -debug-only=arm-ldst-opt 2> %t
; RUN: FileCheck %s < %t
; REQUIRES: asserts
; PR8113: ARMLoadStoreOptimizer must preserve memoperands.
@b = external global i64*
; CHECK: Formed {{.*}} t2LDRD{{.*}} mem:LD4[%0] LD4[%0+4]
define i64 @t(i64 %a) nounwind readonly {
entry:
%0 = load i64** @b, align 4
%1 = load i64* %0, align 4
%2 = mul i64 %1, %a
ret i64 %2
}