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1; RUN: opt < %s -scalarrepl -S | FileCheck %s
2target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
3target triple = "x86_64-apple-darwin10.0.0"
4
5define void @test1(<4 x float>* %F, float %f) {
6entry:
7	%G = alloca <4 x float>, align 16		; <<4 x float>*> [#uses=3]
8	%tmp = load <4 x float>, <4 x float>* %F		; <<4 x float>> [#uses=2]
9	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
10	store <4 x float> %tmp3, <4 x float>* %G
11	%G.upgrd.1 = getelementptr <4 x float>, <4 x float>* %G, i32 0, i32 0		; <float*> [#uses=1]
12	store float %f, float* %G.upgrd.1
13	%tmp4 = load <4 x float>, <4 x float>* %G		; <<4 x float>> [#uses=2]
14	%tmp6 = fadd <4 x float> %tmp4, %tmp4		; <<4 x float>> [#uses=1]
15	store <4 x float> %tmp6, <4 x float>* %F
16	ret void
17; CHECK-LABEL: @test1(
18; CHECK-NOT: alloca
19; CHECK: %tmp = load <4 x float>, <4 x float>* %F
20; CHECK: fadd <4 x float> %tmp, %tmp
21; CHECK-NEXT: insertelement <4 x float> %tmp3, float %f, i32 0
22}
23
24define void @test2(<4 x float>* %F, float %f) {
25entry:
26	%G = alloca <4 x float>, align 16		; <<4 x float>*> [#uses=3]
27	%tmp = load <4 x float>, <4 x float>* %F		; <<4 x float>> [#uses=2]
28	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
29	store <4 x float> %tmp3, <4 x float>* %G
30	%tmp.upgrd.2 = getelementptr <4 x float>, <4 x float>* %G, i32 0, i32 2		; <float*> [#uses=1]
31	store float %f, float* %tmp.upgrd.2
32	%tmp4 = load <4 x float>, <4 x float>* %G		; <<4 x float>> [#uses=2]
33	%tmp6 = fadd <4 x float> %tmp4, %tmp4		; <<4 x float>> [#uses=1]
34	store <4 x float> %tmp6, <4 x float>* %F
35	ret void
36; CHECK-LABEL: @test2(
37; CHECK-NOT: alloca
38; CHECK: %tmp = load <4 x float>, <4 x float>* %F
39; CHECK: fadd <4 x float> %tmp, %tmp
40; CHECK-NEXT: insertelement <4 x float> %tmp3, float %f, i32 2
41}
42
43define void @test3(<4 x float>* %F, float* %f) {
44entry:
45	%G = alloca <4 x float>, align 16		; <<4 x float>*> [#uses=2]
46	%tmp = load <4 x float>, <4 x float>* %F		; <<4 x float>> [#uses=2]
47	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
48	store <4 x float> %tmp3, <4 x float>* %G
49	%tmp.upgrd.3 = getelementptr <4 x float>, <4 x float>* %G, i32 0, i32 2		; <float*> [#uses=1]
50	%tmp.upgrd.4 = load float, float* %tmp.upgrd.3		; <float> [#uses=1]
51	store float %tmp.upgrd.4, float* %f
52	ret void
53; CHECK-LABEL: @test3(
54; CHECK-NOT: alloca
55; CHECK: %tmp = load <4 x float>, <4 x float>* %F
56; CHECK: fadd <4 x float> %tmp, %tmp
57; CHECK-NEXT: extractelement <4 x float> %tmp3, i32 2
58}
59
60define void @test4(<4 x float>* %F, float* %f) {
61entry:
62	%G = alloca <4 x float>, align 16		; <<4 x float>*> [#uses=2]
63	%tmp = load <4 x float>, <4 x float>* %F		; <<4 x float>> [#uses=2]
64	%tmp3 = fadd <4 x float> %tmp, %tmp		; <<4 x float>> [#uses=1]
65	store <4 x float> %tmp3, <4 x float>* %G
66	%G.upgrd.5 = getelementptr <4 x float>, <4 x float>* %G, i32 0, i32 0		; <float*> [#uses=1]
67	%tmp.upgrd.6 = load float, float* %G.upgrd.5		; <float> [#uses=1]
68	store float %tmp.upgrd.6, float* %f
69	ret void
70; CHECK-LABEL: @test4(
71; CHECK-NOT: alloca
72; CHECK: %tmp = load <4 x float>, <4 x float>* %F
73; CHECK: fadd <4 x float> %tmp, %tmp
74; CHECK-NEXT: extractelement <4 x float> %tmp3, i32 0
75}
76
77define i32 @test5(float %X) {  ;; should turn into bitcast.
78	%X_addr = alloca [4 x float]
79        %X1 = getelementptr [4 x float], [4 x float]* %X_addr, i32 0, i32 2
80	store float %X, float* %X1
81	%a = bitcast float* %X1 to i32*
82	%tmp = load i32, i32* %a
83	ret i32 %tmp
84; CHECK-LABEL: @test5(
85; CHECK-NEXT: bitcast float %X to i32
86; CHECK-NEXT: ret i32
87}
88
89define i64 @test6(<2 x float> %X) {
90	%X_addr = alloca <2 x float>
91        store <2 x float> %X, <2 x float>* %X_addr
92	%P = bitcast <2 x float>* %X_addr to i64*
93	%tmp = load i64, i64* %P
94	ret i64 %tmp
95; CHECK-LABEL: @test6(
96; CHECK: bitcast <2 x float> %X to i64
97; CHECK: ret i64
98}
99
100%struct.test7 = type { [6 x i32] }
101
102define void @test7() {
103entry:
104  %memtmp = alloca %struct.test7, align 16
105  %0 = bitcast %struct.test7* %memtmp to <4 x i32>*
106  store <4 x i32> zeroinitializer, <4 x i32>* %0, align 16
107  %1 = getelementptr inbounds %struct.test7, %struct.test7* %memtmp, i64 0, i32 0, i64 5
108  store i32 0, i32* %1, align 4
109  ret void
110; CHECK-LABEL: @test7(
111; CHECK-NOT: alloca
112; CHECK: and i192
113}
114
115; When promoting an alloca to a 1-element vector type, instructions that
116; produce that same vector type should not be changed to insert one element
117; into a new vector. <rdar://problem/14249078>
118define <1 x i64> @test8(<1 x i64> %a) {
119entry:
120  %a.addr = alloca <1 x i64>, align 8
121  %__a = alloca <1 x i64>, align 8
122  %tmp = alloca <1 x i64>, align 8
123  store <1 x i64> %a, <1 x i64>* %a.addr, align 8
124  %0 = load <1 x i64>, <1 x i64>* %a.addr, align 8
125  store <1 x i64> %0, <1 x i64>* %__a, align 8
126  %1 = load <1 x i64>, <1 x i64>* %__a, align 8
127  %2 = bitcast <1 x i64> %1 to <8 x i8>
128  %3 = bitcast <8 x i8> %2 to <1 x i64>
129  %vshl_n = shl <1 x i64> %3, <i64 4>
130  store <1 x i64> %vshl_n, <1 x i64>* %tmp
131  %4 = load <1 x i64>, <1 x i64>* %tmp
132  ret <1 x i64> %4
133; CHECK-LABEL: @test8(
134; CHECK-NOT: alloca
135; CHECK-NOT: insertelement
136; CHECK: ret <1 x i64>
137}
138