; 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{{.*}} (load 4 from %ir.0), (load 4 from %ir.0 + 4) | |
define i64 @t(i64 %a) nounwind readonly { | |
entry: | |
%0 = load i64*, i64** @b, align 4 | |
%1 = load i64, i64* %0, align 4 | |
%2 = mul i64 %1, %a | |
ret i64 %2 | |
} |