| ; RUN: llc -march=x86 -mcpu=generic -mattr=+sse42 < %s | FileCheck %s |
| ; RUN: llc -march=x86 -mcpu=atom < %s | FileCheck -check-prefix=ATOM %s |
| |
| ; CHECK: paddd |
| ; CHECK: movl |
| ; CHECK: movlpd |
| |
| ; Scheduler causes produce a different instruction order |
| ; ATOM: movl |
| ; ATOM: paddd |
| ; ATOM: movlpd |
| |
| ; bitcast a v4i16 to v2i32 |
| |
| define void @convert(<2 x i32>* %dst, <4 x i16>* %src) nounwind { |
| entry: |
| %dst.addr = alloca <2 x i32>* ; <<2 x i32>**> [#uses=2] |
| %src.addr = alloca <4 x i16>* ; <<4 x i16>**> [#uses=2] |
| %i = alloca i32, align 4 ; <i32*> [#uses=6] |
| store <2 x i32>* %dst, <2 x i32>** %dst.addr |
| store <4 x i16>* %src, <4 x i16>** %src.addr |
| store i32 0, i32* %i |
| br label %forcond |
| |
| forcond: ; preds = %forinc, %entry |
| %tmp = load i32* %i ; <i32> [#uses=1] |
| %cmp = icmp slt i32 %tmp, 4 ; <i1> [#uses=1] |
| br i1 %cmp, label %forbody, label %afterfor |
| |
| forbody: ; preds = %forcond |
| %tmp1 = load i32* %i ; <i32> [#uses=1] |
| %tmp2 = load <2 x i32>** %dst.addr ; <<2 x i32>*> [#uses=1] |
| %arrayidx = getelementptr <2 x i32>* %tmp2, i32 %tmp1 ; <<2 x i32>*> [#uses=1] |
| %tmp3 = load i32* %i ; <i32> [#uses=1] |
| %tmp4 = load <4 x i16>** %src.addr ; <<4 x i16>*> [#uses=1] |
| %arrayidx5 = getelementptr <4 x i16>* %tmp4, i32 %tmp3 ; <<4 x i16>*> [#uses=1] |
| %tmp6 = load <4 x i16>* %arrayidx5 ; <<4 x i16>> [#uses=1] |
| %add = add <4 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1 > ; <<4 x i16>> [#uses=1] |
| %conv = bitcast <4 x i16> %add to <2 x i32> ; <<2 x i32>> [#uses=1] |
| store <2 x i32> %conv, <2 x i32>* %arrayidx |
| br label %forinc |
| |
| forinc: ; preds = %forbody |
| %tmp7 = load i32* %i ; <i32> [#uses=1] |
| %inc = add i32 %tmp7, 1 ; <i32> [#uses=1] |
| store i32 %inc, i32* %i |
| br label %forcond |
| |
| afterfor: ; preds = %forcond |
| ret void |
| } |