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1; RUN: llc -march=x86 -mcpu=generic -mattr=+sse4.2 < %s | FileCheck %s
2; RUN: llc -march=x86 -mcpu=atom < %s | FileCheck -check-prefix=ATOM %s
3
4; CHECK: movl
5; CHECK: paddw
6; CHECK: movq
7
8; FIXME - if this test cares about scheduling, why isn't it being checked?
9
10; Scheduler causes produce a different instruction order
11; ATOM: movl
12; ATOM: paddw
13; ATOM: movq
14
15; bitcast a v4i16 to v2i32
16
17define void @convert(<2 x i32>* %dst, <4 x i16>* %src) nounwind {
18entry:
19	%dst.addr = alloca <2 x i32>*		; <<2 x i32>**> [#uses=2]
20	%src.addr = alloca <4 x i16>*		; <<4 x i16>**> [#uses=2]
21	%i = alloca i32, align 4		; <i32*> [#uses=6]
22	store <2 x i32>* %dst, <2 x i32>** %dst.addr
23	store <4 x i16>* %src, <4 x i16>** %src.addr
24	store i32 0, i32* %i
25	br label %forcond
26
27forcond:		; preds = %forinc, %entry
28	%tmp = load i32, i32* %i		; <i32> [#uses=1]
29	%cmp = icmp slt i32 %tmp, 4		; <i1> [#uses=1]
30	br i1 %cmp, label %forbody, label %afterfor
31
32forbody:		; preds = %forcond
33	%tmp1 = load i32, i32* %i		; <i32> [#uses=1]
34	%tmp2 = load <2 x i32>*, <2 x i32>** %dst.addr		; <<2 x i32>*> [#uses=1]
35	%arrayidx = getelementptr <2 x i32>, <2 x i32>* %tmp2, i32 %tmp1		; <<2 x i32>*> [#uses=1]
36	%tmp3 = load i32, i32* %i		; <i32> [#uses=1]
37	%tmp4 = load <4 x i16>*, <4 x i16>** %src.addr		; <<4 x i16>*> [#uses=1]
38	%arrayidx5 = getelementptr <4 x i16>, <4 x i16>* %tmp4, i32 %tmp3		; <<4 x i16>*> [#uses=1]
39	%tmp6 = load <4 x i16>, <4 x i16>* %arrayidx5		; <<4 x i16>> [#uses=1]
40	%add = add <4 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1 >		; <<4 x i16>> [#uses=1]
41	%conv = bitcast <4 x i16> %add to <2 x i32>		; <<2 x i32>> [#uses=1]
42	store <2 x i32> %conv, <2 x i32>* %arrayidx
43	br label %forinc
44
45forinc:		; preds = %forbody
46	%tmp7 = load i32, i32* %i		; <i32> [#uses=1]
47	%inc = add i32 %tmp7, 1		; <i32> [#uses=1]
48	store i32 %inc, i32* %i
49	br label %forcond
50
51afterfor:		; preds = %forcond
52	ret void
53}
54