From 95bc85e4eefdfc1aabfde85daf752f05d2a60701 Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Fri, 11 Nov 2011 22:18:09 +0000 Subject: Preserve MachineMemOperands in ARMLoadStoreOptimizer. Fixes PR8113. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144409 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/ARM/ldrd-memoper.ll | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 test/CodeGen/ARM/ldrd-memoper.ll (limited to 'test/CodeGen') diff --git a/test/CodeGen/ARM/ldrd-memoper.ll b/test/CodeGen/ARM/ldrd-memoper.ll new file mode 100644 index 0000000000..f1a1121f6a --- /dev/null +++ b/test/CodeGen/ARM/ldrd-memoper.ll @@ -0,0 +1,15 @@ +; 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 +} -- cgit v1.2.3