forked from OSchip/llvm-project
44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
|
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse42 -disable-mmx -o %t -f
|
||
|
|
; RUN: grep pextrd %t | count 5
|
||
|
|
; RUN: grep movd %t | count 3
|
||
|
|
|
||
|
|
; bitcast v14i16 to v7i32
|
||
|
|
|
||
|
|
define void @convert(<7 x i32>* %dst, <14 x i16>* %src) nounwind {
|
||
|
|
entry:
|
||
|
|
%dst.addr = alloca <7 x i32>* ; <<7 x i32>**> [#uses=2]
|
||
|
|
%src.addr = alloca <14 x i16>* ; <<14 x i16>**> [#uses=2]
|
||
|
|
%i = alloca i32, align 4 ; <i32*> [#uses=6]
|
||
|
|
store <7 x i32>* %dst, <7 x i32>** %dst.addr
|
||
|
|
store <14 x i16>* %src, <14 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 <7 x i32>** %dst.addr ; <<2 x i32>*> [#uses=1]
|
||
|
|
%arrayidx = getelementptr <7 x i32>* %tmp2, i32 %tmp1 ; <<7 x i32>*> [#uses=1]
|
||
|
|
%tmp3 = load i32* %i ; <i32> [#uses=1]
|
||
|
|
%tmp4 = load <14 x i16>** %src.addr ; <<4 x i16>*> [#uses=1]
|
||
|
|
%arrayidx5 = getelementptr <14 x i16>* %tmp4, i32 %tmp3 ; <<4 x i16>*> [#uses=1]
|
||
|
|
%tmp6 = load <14 x i16>* %arrayidx5 ; <<4 x i16>> [#uses=1]
|
||
|
|
%add = add <14 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1 > ; <<4 x i16>> [#uses=1]
|
||
|
|
%conv = bitcast <14 x i16> %add to <7 x i32> ; <<7 x i32>> [#uses=1]
|
||
|
|
store <7 x i32> %conv, <7 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
|
||
|
|
}
|