source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/arm64-dagcombiner-load-slicing.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

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1; RUN: llc -mtriple arm64-apple-ios -O3 -o - < %s | FileCheck %s
2; <rdar://problem/14477220>
3
4%class.Complex = type { float, float }
5%class.Complex_int = type { i32, i32 }
6%class.Complex_long = type { i64, i64 }
7
8; CHECK-LABEL: @test
9; CHECK: add [[BASE:x[0-9]+]], x0, x1, lsl #3
10; CHECK: ldp [[CPLX1_I:s[0-9]+]], [[CPLX1_R:s[0-9]+]], {{\[}}[[BASE]]]
11; CHECK: ldp [[CPLX2_I:s[0-9]+]], [[CPLX2_R:s[0-9]+]], {{\[}}[[BASE]], #64]
12; CHECK: fadd {{s[0-9]+}}, [[CPLX2_I]], [[CPLX1_I]]
13; CHECK: fadd {{s[0-9]+}}, [[CPLX2_R]], [[CPLX1_R]]
14; CHECK: ret
15define void @test(%class.Complex* nocapture %out, i64 %out_start) {
16entry:
17  %arrayidx = getelementptr inbounds %class.Complex, %class.Complex* %out, i64 %out_start
18  %0 = bitcast %class.Complex* %arrayidx to i64*
19  %1 = load i64, i64* %0, align 4
20  %t0.sroa.0.0.extract.trunc = trunc i64 %1 to i32
21  %2 = bitcast i32 %t0.sroa.0.0.extract.trunc to float
22  %t0.sroa.2.0.extract.shift = lshr i64 %1, 32
23  %t0.sroa.2.0.extract.trunc = trunc i64 %t0.sroa.2.0.extract.shift to i32
24  %3 = bitcast i32 %t0.sroa.2.0.extract.trunc to float
25  %add = add i64 %out_start, 8
26  %arrayidx2 = getelementptr inbounds %class.Complex, %class.Complex* %out, i64 %add
27  %i.i = getelementptr inbounds %class.Complex, %class.Complex* %arrayidx2, i64 0, i32 0
28  %4 = load float, float* %i.i, align 4
29  %add.i = fadd float %4, %2
30  %retval.sroa.0.0.vec.insert.i = insertelement <2 x float> undef, float %add.i, i32 0
31  %r.i = getelementptr inbounds %class.Complex, %class.Complex* %arrayidx2, i64 0, i32 1
32  %5 = load float, float* %r.i, align 4
33  %add5.i = fadd float %5, %3
34  %retval.sroa.0.4.vec.insert.i = insertelement <2 x float> %retval.sroa.0.0.vec.insert.i, float %add5.i, i32 1
35  %ref.tmp.sroa.0.0.cast = bitcast %class.Complex* %arrayidx to <2 x float>*
36  store <2 x float> %retval.sroa.0.4.vec.insert.i, <2 x float>* %ref.tmp.sroa.0.0.cast, align 4
37  ret void
38}
39
40; CHECK-LABEL: @test_int
41; CHECK: add [[BASE:x[0-9]+]], x0, x1, lsl #3
42; CHECK: ldp [[CPLX1_I:w[0-9]+]], [[CPLX1_R:w[0-9]+]], {{\[}}[[BASE]]]
43; CHECK: ldp [[CPLX2_I:w[0-9]+]], [[CPLX2_R:w[0-9]+]], {{\[}}[[BASE]], #64]
44; CHECK: add {{w[0-9]+}}, [[CPLX2_I]], [[CPLX1_I]]
45; CHECK: add {{w[0-9]+}}, [[CPLX2_R]], [[CPLX1_R]]
46; CHECK: ret
47define void @test_int(%class.Complex_int* nocapture %out, i64 %out_start) {
48entry:
49  %arrayidx = getelementptr inbounds %class.Complex_int, %class.Complex_int* %out, i64 %out_start
50  %0 = bitcast %class.Complex_int* %arrayidx to i64*
51  %1 = load i64, i64* %0, align 4
52  %t0.sroa.0.0.extract.trunc = trunc i64 %1 to i32
53  %2 = bitcast i32 %t0.sroa.0.0.extract.trunc to i32
54  %t0.sroa.2.0.extract.shift = lshr i64 %1, 32
55  %t0.sroa.2.0.extract.trunc = trunc i64 %t0.sroa.2.0.extract.shift to i32
56  %3 = bitcast i32 %t0.sroa.2.0.extract.trunc to i32
57  %add = add i64 %out_start, 8
58  %arrayidx2 = getelementptr inbounds %class.Complex_int, %class.Complex_int* %out, i64 %add
59  %i.i = getelementptr inbounds %class.Complex_int, %class.Complex_int* %arrayidx2, i64 0, i32 0
60  %4 = load i32, i32* %i.i, align 4
61  %add.i = add i32 %4, %2
62  %retval.sroa.0.0.vec.insert.i = insertelement <2 x i32> undef, i32 %add.i, i32 0
63  %r.i = getelementptr inbounds %class.Complex_int, %class.Complex_int* %arrayidx2, i64 0, i32 1
64  %5 = load i32, i32* %r.i, align 4
65  %add5.i = add i32 %5, %3
66  %retval.sroa.0.4.vec.insert.i = insertelement <2 x i32> %retval.sroa.0.0.vec.insert.i, i32 %add5.i, i32 1
67  %ref.tmp.sroa.0.0.cast = bitcast %class.Complex_int* %arrayidx to <2 x i32>*
68  store <2 x i32> %retval.sroa.0.4.vec.insert.i, <2 x i32>* %ref.tmp.sroa.0.0.cast, align 4
69  ret void
70}
71
72; CHECK-LABEL: @test_long
73; CHECK: add [[BASE:x[0-9]+]], x0, x1, lsl #4
74; CHECK: ldp [[CPLX1_I:x[0-9]+]], [[CPLX1_R:x[0-9]+]], {{\[}}[[BASE]]]
75; CHECK: ldp [[CPLX2_I:x[0-9]+]], [[CPLX2_R:x[0-9]+]], {{\[}}[[BASE]], #128]
76; CHECK: add {{x[0-9]+}}, [[CPLX2_I]], [[CPLX1_I]]
77; CHECK: add {{x[0-9]+}}, [[CPLX2_R]], [[CPLX1_R]]
78; CHECK: ret
79define void @test_long(%class.Complex_long* nocapture %out, i64 %out_start) {
80entry:
81  %arrayidx = getelementptr inbounds %class.Complex_long, %class.Complex_long* %out, i64 %out_start
82  %0 = bitcast %class.Complex_long* %arrayidx to i128*
83  %1 = load i128, i128* %0, align 4
84  %t0.sroa.0.0.extract.trunc = trunc i128 %1 to i64
85  %2 = bitcast i64 %t0.sroa.0.0.extract.trunc to i64
86  %t0.sroa.2.0.extract.shift = lshr i128 %1, 64
87  %t0.sroa.2.0.extract.trunc = trunc i128 %t0.sroa.2.0.extract.shift to i64
88  %3 = bitcast i64 %t0.sroa.2.0.extract.trunc to i64
89  %add = add i64 %out_start, 8
90  %arrayidx2 = getelementptr inbounds %class.Complex_long, %class.Complex_long* %out, i64 %add
91  %i.i = getelementptr inbounds %class.Complex_long, %class.Complex_long* %arrayidx2, i32 0, i32 0
92  %4 = load i64, i64* %i.i, align 4
93  %add.i = add i64 %4, %2
94  %retval.sroa.0.0.vec.insert.i = insertelement <2 x i64> undef, i64 %add.i, i32 0
95  %r.i = getelementptr inbounds %class.Complex_long, %class.Complex_long* %arrayidx2, i32 0, i32 1
96  %5 = load i64, i64* %r.i, align 4
97  %add5.i = add i64 %5, %3
98  %retval.sroa.0.4.vec.insert.i = insertelement <2 x i64> %retval.sroa.0.0.vec.insert.i, i64 %add5.i, i32 1
99  %ref.tmp.sroa.0.0.cast = bitcast %class.Complex_long* %arrayidx to <2 x i64>*
100  store <2 x i64> %retval.sroa.0.4.vec.insert.i, <2 x i64>* %ref.tmp.sroa.0.0.cast, align 4
101  ret void
102}
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