| ; RUN: llc < %s -o - -march=x86-64 | FileCheck %s |
| ; PR4891 |
| |
| ; Both loads should happen before either store. |
| |
| ; CHECK: movl (%rdi), %eax |
| ; CHECK: movl (%rsi), %ecx |
| ; CHECK: movl %ecx, (%rdi) |
| ; CHECK: movl %eax, (%rsi) |
| |
| 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 |
| } |