; RUN: llc < %s -o - -mtriple=x86_64-linux | FileCheck %s ; RUN: llc < %s -o - -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64 ; PR4891 ; Both loads should happen before either store. ; CHECK: movl (%rdi), %[[R1:...]] ; CHECK: movl (%rsi), %[[R2:...]] ; CHECK: movl %[[R2]], (%rdi) ; CHECK: movl %[[R1]], (%rsi) ; WIN64: movl (%rcx), %[[R1:...]] ; WIN64: movl (%rdx), %[[R2:...]] ; WIN64: movl %[[R2]], (%rcx) ; WIN64: movl %[[R1]], (%rdx) define void @short2_int_swap(<2 x i16>* nocapture %b, i32* nocapture %c) nounwind { entry: %0 = load <2 x i16>* %b, align 2 ; <<2 x i16>> [#uses=1] %1 = load i32* %c, align 4 ; <i32> [#uses=1] %tmp1 = bitcast i32 %1 to <2 x i16> ; <<2 x i16>> [#uses=1] store <2 x i16> %tmp1, <2 x i16>* %b, align 2 %tmp5 = bitcast <2 x i16> %0 to <1 x i32> ; <<1 x i32>> [#uses=1] %tmp3 = extractelement <1 x i32> %tmp5, i32 0 ; <i32> [#uses=1] store i32 %tmp3, i32* %c, align 4 ret void }