1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
2;
3; This test used to crash with the following assertion:
4; llc: include/llvm/ADT/IntervalMap.h:632: unsigned int llvm::IntervalMapImpl::LeafNode<llvm::SlotIndex, llvm::LiveInterval *, 8, llvm::IntervalMapInfo<llvm::SlotIndex> >::insertFrom(unsigned int &, unsigned int, KeyT, KeyT, ValT) [KeyT = llvm::SlotIndex, ValT = llvm::LiveInterval *, N = 8, Traits = llvm::IntervalMapInfo<llvm::SlotIndex>]: Assertion `(i == Size || Traits::stopLess(b, start(i))) && "Overlapping insert"' failed.
5;
6; This was related to incorrectly calculating subregister live ranges
7; (i.e. live interval subranges): subregister defs are not uses for that
8; purpose.
9;
10; Check for a valid output.
11; CHECK: image_sample_c
12define amdgpu_ps <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> @main([17 x <16 x i8>] addrspace(2)* byval dereferenceable(18446744073709551615) %arg, [16 x <16 x i8>] addrspace(2)* byval dereferenceable(18446744073709551615) %arg1, [32 x <8 x i32>] addrspace(2)* byval dereferenceable(18446744073709551615) %arg2, [16 x <8 x i32>] addrspace(2)* byval dereferenceable(18446744073709551615) %arg3, [16 x <4 x i32>] addrspace(2)* byval dereferenceable(18446744073709551615) %arg4, float inreg %arg5, i32 inreg %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <3 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, <2 x i32> %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, i32 %arg19, i32 %arg20, float %arg21, i32 %arg22) #0 {
13main_body:
14  %i.i = extractelement <2 x i32> %arg8, i32 0
15  %j.i = extractelement <2 x i32> %arg8, i32 1
16  %i.f.i = bitcast i32 %i.i to float
17  %j.f.i = bitcast i32 %j.i to float
18  %p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 3, i32 4, i32 %arg6) #2
19  %p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 3, i32 4, i32 %arg6) #2
20  %tmp23 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float undef, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
21
22  %tmp24 = extractelement <4 x float> %tmp23, i32 3
23  %tmp25 = fmul float %tmp24, %tmp24
24  %tmp26 = fmul float %p2.i, %p2.i
25  %tmp27 = fadd float %tmp26, %tmp26
26  %tmp32 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float %tmp27, float 0.0, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
27  %tmp33 = extractelement <4 x float> %tmp32, i32 0
28  %tmp34 = fadd float %tmp33, %tmp33
29  %tmp35 = fadd float %tmp34, %tmp34
30  %tmp36 = fadd float %tmp35, %tmp35
31  %tmp37 = fadd float %tmp36, %tmp36
32  %tmp38 = fadd float %tmp37, %tmp37
33  %tmp39 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float undef, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
34  %tmp40 = extractelement <4 x float> %tmp39, i32 0
35  %tmp41 = extractelement <4 x float> %tmp39, i32 1
36  %tmp42 = extractelement <4 x float> %tmp39, i32 2
37  %tmp43 = extractelement <4 x float> %tmp39, i32 3
38  %tmp44 = fmul float %tmp40, %tmp40
39  %tmp45 = fmul float %tmp41, %tmp41
40  %tmp46 = fmul float %tmp42, %tmp41
41  %tmp47 = fmul float %tmp43, %tmp43
42  %tmp48 = fadd float %tmp44, %tmp44
43  %tmp49 = fadd float %tmp45, %tmp45
44  %tmp50 = bitcast float %tmp27 to i32
45  %tmp51 = bitcast float %tmp48 to i32
46  %tmp52 = bitcast float %tmp49 to i32
47  %tmp53 = insertelement <4 x i32> undef, i32 %tmp50, i32 0
48  %tmp54 = insertelement <4 x i32> %tmp53, i32 %tmp51, i32 1
49  %tmp55 = insertelement <4 x i32> %tmp54, i32 %tmp52, i32 2
50  %tmp55.cast = bitcast <4 x i32> %tmp55 to <4 x float>
51  %tmp56 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float %tmp27, float %tmp48, float %tmp49, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
52  %tmp57 = extractelement <4 x float> %tmp56, i32 0
53  %tmp58 = fadd float %tmp38, %tmp57
54  %tmp59 = fadd float %tmp46, %tmp46
55  %tmp60 = fadd float %tmp47, %tmp47
56  %tmp65 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float undef, float %tmp59, float %tmp60, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
57  %tmp66 = extractelement <4 x float> %tmp65, i32 0
58  %tmp67 = fadd float %tmp58, %tmp66
59  %tmp68 = fmul float %tmp67, 1.250000e-01
60  %tmp69 = fmul float %tmp68, %tmp68
61  %tmp70 = fcmp une float %tmp69, 0.000000e+00
62  br i1 %tmp70, label %IF26, label %ENDIF25
63
64IF26:                                             ; preds = %main_body
65  %tmp71 = bitcast float %tmp27 to i32
66  %tmp72 = insertelement <4 x i32> undef, i32 %tmp71, i32 0
67  br label %LOOP
68
69ENDIF25:                                          ; preds = %IF29, %main_body
70  %.4 = phi float [ %tmp84, %IF29 ], [ %tmp68, %main_body ]
71  %tmp73 = fadd float %.4, %.4
72  %max.0.i = call float @llvm.maxnum.f32(float %tmp73, float 0.000000e+00)
73  %clamp.i = call float @llvm.minnum.f32(float %max.0.i, float 1.000000e+00)
74  %tmp75 = fmul float %clamp.i, %clamp.i
75  %tmp76 = fmul float %tmp75, %tmp75
76  %tmp77 = fadd float %tmp76, %tmp76
77  %tmp78 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> undef, float %tmp77, 11
78  %tmp79 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp78, float undef, 12
79  %tmp80 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp79, float undef, 13
80  %tmp81 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp80, float %tmp25, 14
81  %tmp82 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp81, float undef, 15
82  %tmp83 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp82, float %arg21, 24
83  ret <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp83
84
85LOOP:                                             ; preds = %ENDIF28, %IF26
86  %.5 = phi float [ undef, %IF26 ], [ %tmp89, %ENDIF28 ]
87  br i1 false, label %IF29, label %ENDIF28
88
89IF29:                                             ; preds = %LOOP
90  %tmp84 = fmul float %.5, 3.125000e-02
91  br label %ENDIF25
92
93ENDIF28:                                          ; preds = %LOOP
94  %tmp87 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float %tmp27, float undef, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
95  %tmp88 = extractelement <4 x float> %tmp87, i32 0
96  %tmp89 = fadd float %tmp88, %tmp88
97  br label %LOOP
98}
99
100declare float @llvm.minnum.f32(float, float) #1
101declare float @llvm.maxnum.f32(float, float) #1
102declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #1
103declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #1
104declare <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32, float, float, <8 x i32>, <4 x i32>, i1, i32, i32) #2
105declare <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32, float, float, float, <8 x i32>, <4 x i32>, i1, i32, i32) #2
106
107attributes #0 = { nounwind "InitialPSInputAddr"="36983" "target-cpu"="tonga" }
108attributes #1 = { nounwind readnone }
109attributes #2 = { nounwind readonly }
110attributes #3 = { nounwind }
111