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1; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s
2; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s
3
4; This test checks that no VGPR to SGPR copies are created by the register
5; allocator.
6
7
8declare <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32>, <8 x i32>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #1
9
10
11; CHECK-LABEL: {{^}}phi1:
12; CHECK: s_buffer_load_dword [[DST:s[0-9]]], {{s\[[0-9]+:[0-9]+\]}}, 0x0
13; CHECK: v_mov_b32_e32 v{{[0-9]}}, [[DST]]
14define amdgpu_ps void @phi1(<16 x i8> addrspace(2)* inreg %arg, <16 x i8> addrspace(2)* inreg %arg1, <8 x i32> addrspace(2)* inreg %arg2, i32 inreg %arg3, <2 x i32> %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <3 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, float %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19) #0 {
15main_body:
16  %tmp = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %arg, i32 0
17  %tmp20 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp, !tbaa !0
18  %tmp21 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 0)
19  %tmp22 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 16)
20  %tmp23 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 32)
21  %tmp24 = fptosi float %tmp22 to i32
22  %tmp25 = icmp ne i32 %tmp24, 0
23  br i1 %tmp25, label %ENDIF, label %ELSE
24
25ELSE:                                             ; preds = %main_body
26  %tmp26 = fsub float -0.000000e+00, %tmp21
27  br label %ENDIF
28
29ENDIF:                                            ; preds = %ELSE, %main_body
30  %temp.0 = phi float [ %tmp26, %ELSE ], [ %tmp21, %main_body ]
31  %tmp27 = fadd float %temp.0, %tmp23
32  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %tmp27, float %tmp27, float 0.000000e+00, float 1.000000e+00)
33  ret void
34}
35
36; Make sure this program doesn't crash
37; CHECK-LABEL: {{^}}phi2:
38define amdgpu_ps void @phi2(<16 x i8> addrspace(2)* inreg %arg, <16 x i8> addrspace(2)* inreg %arg1, <8 x i32> addrspace(2)* inreg %arg2, i32 inreg %arg3, <2 x i32> %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <3 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, float %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19) #0 {
39main_body:
40  %tmp = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %arg, i32 0
41  %tmp20 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp, !tbaa !0
42  %tmp21 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 16)
43  %tmp22 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 32)
44  %tmp23 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 36)
45  %tmp24 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 40)
46  %tmp25 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 48)
47  %tmp26 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 52)
48  %tmp27 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 56)
49  %tmp28 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 64)
50  %tmp29 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 68)
51  %tmp30 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 72)
52  %tmp31 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 76)
53  %tmp32 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 80)
54  %tmp33 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 84)
55  %tmp34 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 88)
56  %tmp35 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 92)
57  %tmp36 = getelementptr <8 x i32>, <8 x i32> addrspace(2)* %arg2, i32 0
58  %tmp37 = load <8 x i32>, <8 x i32> addrspace(2)* %tmp36, !tbaa !0
59  %tmp38 = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %arg1, i32 0
60  %tmp39 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp38, !tbaa !0
61  %tmp40 = call float @llvm.SI.fs.interp(i32 0, i32 0, i32 %arg3, <2 x i32> %arg5)
62  %tmp41 = call float @llvm.SI.fs.interp(i32 1, i32 0, i32 %arg3, <2 x i32> %arg5)
63  %tmp42 = call float @llvm.SI.fs.interp(i32 0, i32 1, i32 %arg3, <2 x i32> %arg5)
64  %tmp43 = call float @llvm.SI.fs.interp(i32 1, i32 1, i32 %arg3, <2 x i32> %arg5)
65  %tmp44 = call float @llvm.SI.fs.interp(i32 2, i32 1, i32 %arg3, <2 x i32> %arg5)
66  %tmp45 = bitcast float %tmp40 to i32
67  %tmp46 = bitcast float %tmp41 to i32
68  %tmp47 = insertelement <2 x i32> undef, i32 %tmp45, i32 0
69  %tmp48 = insertelement <2 x i32> %tmp47, i32 %tmp46, i32 1
70  %tmp39.bc = bitcast <16 x i8> %tmp39 to <4 x i32>
71  %tmp49 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> %tmp48, <8 x i32> %tmp37, <4 x i32> %tmp39.bc, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
72  %tmp50 = extractelement <4 x float> %tmp49, i32 2
73  %tmp51 = call float @fabs(float %tmp50)
74  %tmp52 = fmul float %tmp42, %tmp42
75  %tmp53 = fmul float %tmp43, %tmp43
76  %tmp54 = fadd float %tmp53, %tmp52
77  %tmp55 = fmul float %tmp44, %tmp44
78  %tmp56 = fadd float %tmp54, %tmp55
79  %tmp57 = call float @llvm.amdgcn.rsq.f32(float %tmp56)
80  %tmp58 = fmul float %tmp42, %tmp57
81  %tmp59 = fmul float %tmp43, %tmp57
82  %tmp60 = fmul float %tmp44, %tmp57
83  %tmp61 = fmul float %tmp58, %tmp22
84  %tmp62 = fmul float %tmp59, %tmp23
85  %tmp63 = fadd float %tmp62, %tmp61
86  %tmp64 = fmul float %tmp60, %tmp24
87  %tmp65 = fadd float %tmp63, %tmp64
88  %tmp66 = fsub float -0.000000e+00, %tmp25
89  %tmp67 = fmul float %tmp65, %tmp51
90  %tmp68 = fadd float %tmp67, %tmp66
91  %tmp69 = fmul float %tmp26, %tmp68
92  %tmp70 = fmul float %tmp27, %tmp68
93  %tmp71 = call float @fabs(float %tmp69)
94  %tmp72 = fcmp olt float 0x3EE4F8B580000000, %tmp71
95  %tmp73 = sext i1 %tmp72 to i32
96  %tmp74 = bitcast i32 %tmp73 to float
97  %tmp75 = bitcast float %tmp74 to i32
98  %tmp76 = icmp ne i32 %tmp75, 0
99  br i1 %tmp76, label %IF, label %ENDIF
100
101IF:                                               ; preds = %main_body
102  %tmp77 = fsub float -0.000000e+00, %tmp69
103  %tmp78 = call float @llvm.exp2.f32(float %tmp77)
104  %tmp79 = fsub float -0.000000e+00, %tmp78
105  %tmp80 = fadd float 1.000000e+00, %tmp79
106  %tmp81 = fdiv float 1.000000e+00, %tmp69
107  %tmp82 = fmul float %tmp80, %tmp81
108  %tmp83 = fmul float %tmp31, %tmp82
109  br label %ENDIF
110
111ENDIF:                                            ; preds = %IF, %main_body
112  %temp4.0 = phi float [ %tmp83, %IF ], [ %tmp31, %main_body ]
113  %tmp84 = call float @fabs(float %tmp70)
114  %tmp85 = fcmp olt float 0x3EE4F8B580000000, %tmp84
115  %tmp86 = sext i1 %tmp85 to i32
116  %tmp87 = bitcast i32 %tmp86 to float
117  %tmp88 = bitcast float %tmp87 to i32
118  %tmp89 = icmp ne i32 %tmp88, 0
119  br i1 %tmp89, label %IF25, label %ENDIF24
120
121IF25:                                             ; preds = %ENDIF
122  %tmp90 = fsub float -0.000000e+00, %tmp70
123  %tmp91 = call float @llvm.exp2.f32(float %tmp90)
124  %tmp92 = fsub float -0.000000e+00, %tmp91
125  %tmp93 = fadd float 1.000000e+00, %tmp92
126  %tmp94 = fdiv float 1.000000e+00, %tmp70
127  %tmp95 = fmul float %tmp93, %tmp94
128  %tmp96 = fmul float %tmp35, %tmp95
129  br label %ENDIF24
130
131ENDIF24:                                          ; preds = %IF25, %ENDIF
132  %temp8.0 = phi float [ %tmp96, %IF25 ], [ %tmp35, %ENDIF ]
133  %tmp97 = fmul float %tmp28, %temp4.0
134  %tmp98 = fmul float %tmp29, %temp4.0
135  %tmp99 = fmul float %tmp30, %temp4.0
136  %tmp100 = fmul float %tmp32, %temp8.0
137  %tmp101 = fadd float %tmp100, %tmp97
138  %tmp102 = fmul float %tmp33, %temp8.0
139  %tmp103 = fadd float %tmp102, %tmp98
140  %tmp104 = fmul float %tmp34, %temp8.0
141  %tmp105 = fadd float %tmp104, %tmp99
142  %tmp106 = call float @llvm.pow.f32(float %tmp51, float %tmp21)
143  %tmp107 = fsub float -0.000000e+00, %tmp101
144  %tmp108 = fmul float %tmp107, %tmp106
145  %tmp109 = fsub float -0.000000e+00, %tmp103
146  %tmp110 = fmul float %tmp109, %tmp106
147  %tmp111 = fsub float -0.000000e+00, %tmp105
148  %tmp112 = fmul float %tmp111, %tmp106
149  %tmp113 = call i32 @llvm.SI.packf16(float %tmp108, float %tmp110)
150  %tmp114 = bitcast i32 %tmp113 to float
151  %tmp115 = call i32 @llvm.SI.packf16(float %tmp112, float 1.000000e+00)
152  %tmp116 = bitcast i32 %tmp115 to float
153  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %tmp114, float %tmp116, float %tmp114, float %tmp116)
154  ret void
155}
156
157; We just want ot make sure the program doesn't crash
158; CHECK-LABEL: {{^}}loop:
159define amdgpu_ps void @loop(<16 x i8> addrspace(2)* inreg %arg, <16 x i8> addrspace(2)* inreg %arg1, <8 x i32> addrspace(2)* inreg %arg2, i32 inreg %arg3, <2 x i32> %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <3 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, float %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19) #0 {
160main_body:
161  %tmp = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %arg, i32 0
162  %tmp20 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp, !tbaa !0
163  %tmp21 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 0)
164  %tmp22 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 4)
165  %tmp23 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 8)
166  %tmp24 = call float @llvm.SI.load.const(<16 x i8> %tmp20, i32 12)
167  %tmp25 = fptosi float %tmp24 to i32
168  %tmp26 = bitcast i32 %tmp25 to float
169  %tmp27 = bitcast float %tmp26 to i32
170  br label %LOOP
171
172LOOP:                                             ; preds = %ENDIF, %main_body
173  %temp4.0 = phi float [ %tmp21, %main_body ], [ %temp5.0, %ENDIF ]
174  %temp5.0 = phi float [ %tmp22, %main_body ], [ %temp6.0, %ENDIF ]
175  %temp6.0 = phi float [ %tmp23, %main_body ], [ %temp4.0, %ENDIF ]
176  %temp8.0 = phi float [ 0.000000e+00, %main_body ], [ %tmp36, %ENDIF ]
177  %tmp28 = bitcast float %temp8.0 to i32
178  %tmp29 = icmp sge i32 %tmp28, %tmp27
179  %tmp30 = sext i1 %tmp29 to i32
180  %tmp31 = bitcast i32 %tmp30 to float
181  %tmp32 = bitcast float %tmp31 to i32
182  %tmp33 = icmp ne i32 %tmp32, 0
183  br i1 %tmp33, label %IF, label %ENDIF
184
185IF:                                               ; preds = %LOOP
186  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %temp4.0, float %temp5.0, float %temp6.0, float 1.000000e+00)
187  ret void
188
189ENDIF:                                            ; preds = %LOOP
190  %tmp34 = bitcast float %temp8.0 to i32
191  %tmp35 = add i32 %tmp34, 1
192  %tmp36 = bitcast i32 %tmp35 to float
193  br label %LOOP
194}
195
196; Function Attrs: nounwind readnone
197declare float @llvm.SI.load.const(<16 x i8>, i32) #1
198
199; Function Attrs: readonly
200declare float @fabs(float) #2
201
202declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
203
204; Function Attrs: nounwind readnone
205declare float @llvm.SI.fs.interp(i32, i32, i32, <2 x i32>) #1
206
207; Function Attrs: nounwind readnone
208declare <4 x float> @llvm.SI.sample.v2i32(<2 x i32>, <8 x i32>, <16 x i8>, i32) #1
209
210; Function Attrs: readnone
211declare float @llvm.amdgcn.rsq.f32(float) #1
212
213declare float @llvm.exp2.f32(float) #1
214
215; Function Attrs: nounwind readnone
216declare float @llvm.pow.f32(float, float) #1
217
218; Function Attrs: nounwind readnone
219declare i32 @llvm.SI.packf16(float, float) #1
220
221; This checks for a bug in the FixSGPRCopies pass where VReg96
222; registers were being identified as an SGPR regclass which was causing
223; an assertion failure.
224
225; CHECK-LABEL: {{^}}sample_v3:
226; CHECK: image_sample
227; CHECK: image_sample
228; CHECK: exp
229; CHECK: s_endpgm
230define amdgpu_ps void @sample_v3([17 x <16 x i8>] addrspace(2)* byval %arg, [32 x <16 x i8>] addrspace(2)* byval %arg1, [16 x <8 x i32>] addrspace(2)* byval %arg2, float inreg %arg3, i32 inreg %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <3 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19, float %arg20) #0 {
231entry:
232  %tmp = getelementptr [17 x <16 x i8>], [17 x <16 x i8>] addrspace(2)* %arg, i64 0, i32 0
233  %tmp21 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp, !tbaa !0
234  %tmp22 = call float @llvm.SI.load.const(<16 x i8> %tmp21, i32 16)
235  %tmp23 = getelementptr [16 x <8 x i32>], [16 x <8 x i32>] addrspace(2)* %arg2, i64 0, i32 0
236  %tmp24 = load <8 x i32>, <8 x i32> addrspace(2)* %tmp23, !tbaa !0
237  %tmp25 = getelementptr [32 x <16 x i8>], [32 x <16 x i8>] addrspace(2)* %arg1, i64 0, i32 0
238  %tmp26 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp25, !tbaa !0
239  %tmp27 = fcmp oeq float %tmp22, 0.000000e+00
240  %tmp26.bc = bitcast <16 x i8> %tmp26 to <4 x i32>
241  br i1 %tmp27, label %if, label %else
242
243if:                                               ; preds = %entry
244  %val.if = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> zeroinitializer, <8 x i32> %tmp24, <4 x i32> %tmp26.bc, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
245  %val.if.0 = extractelement <4 x float> %val.if, i32 0
246  %val.if.1 = extractelement <4 x float> %val.if, i32 1
247  %val.if.2 = extractelement <4 x float> %val.if, i32 2
248  br label %endif
249
250else:                                             ; preds = %entry
251  %val.else = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> <i32 1, i32 0>, <8 x i32> %tmp24, <4 x i32> %tmp26.bc, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
252  %val.else.0 = extractelement <4 x float> %val.else, i32 0
253  %val.else.1 = extractelement <4 x float> %val.else, i32 1
254  %val.else.2 = extractelement <4 x float> %val.else, i32 2
255  br label %endif
256
257endif:                                            ; preds = %else, %if
258  %val.0 = phi float [ %val.if.0, %if ], [ %val.else.0, %else ]
259  %val.1 = phi float [ %val.if.1, %if ], [ %val.else.1, %else ]
260  %val.2 = phi float [ %val.if.2, %if ], [ %val.else.2, %else ]
261  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %val.0, float %val.1, float %val.2, float 0.000000e+00)
262  ret void
263}
264
265; CHECK-LABEL: {{^}}copy1:
266; CHECK: buffer_load_dword
267; CHECK: v_add
268; CHECK: s_endpgm
269define void @copy1(float addrspace(1)* %out, float addrspace(1)* %in0) {
270entry:
271  %tmp = load float, float addrspace(1)* %in0
272  %tmp1 = fcmp oeq float %tmp, 0.000000e+00
273  br i1 %tmp1, label %if0, label %endif
274
275if0:                                              ; preds = %entry
276  %tmp2 = bitcast float %tmp to i32
277  %tmp3 = fcmp olt float %tmp, 0.000000e+00
278  br i1 %tmp3, label %if1, label %endif
279
280if1:                                              ; preds = %if0
281  %tmp4 = add i32 %tmp2, 1
282  br label %endif
283
284endif:                                            ; preds = %if1, %if0, %entry
285  %tmp5 = phi i32 [ 0, %entry ], [ %tmp2, %if0 ], [ %tmp4, %if1 ]
286  %tmp6 = bitcast i32 %tmp5 to float
287  store float %tmp6, float addrspace(1)* %out
288  ret void
289}
290
291; This test is just checking that we don't crash / assertion fail.
292; CHECK-LABEL: {{^}}copy2:
293; CHECK: s_endpgm
294define amdgpu_ps void @copy2([17 x <16 x i8>] addrspace(2)* byval %arg, [32 x <16 x i8>] addrspace(2)* byval %arg1, [16 x <8 x i32>] addrspace(2)* byval %arg2, float inreg %arg3, i32 inreg %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <3 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19, float %arg20) #0 {
295entry:
296  br label %LOOP68
297
298LOOP68:                                           ; preds = %ENDIF69, %entry
299  %temp4.7 = phi float [ 0.000000e+00, %entry ], [ %v, %ENDIF69 ]
300  %t = phi i32 [ 20, %entry ], [ %x, %ENDIF69 ]
301  %g = icmp eq i32 0, %t
302  %l = bitcast float %temp4.7 to i32
303  br i1 %g, label %IF70, label %ENDIF69
304
305IF70:                                             ; preds = %LOOP68
306  %q = icmp ne i32 %l, 13
307  %temp.8 = select i1 %q, float 1.000000e+00, float 0.000000e+00
308  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %temp.8, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00)
309  ret void
310
311ENDIF69:                                          ; preds = %LOOP68
312  %u = add i32 %l, %t
313  %v = bitcast i32 %u to float
314  %x = add i32 %t, -1
315  br label %LOOP68
316}
317
318; This test checks that image_sample resource descriptors aren't loaded into
319; vgprs.  The verifier will fail if this happens.
320; CHECK-LABEL:{{^}}sample_rsrc:
321; CHECK: image_sample
322; CHECK: image_sample
323; CHECK: s_endpgm
324define amdgpu_ps void @sample_rsrc([6 x <16 x i8>] addrspace(2)* byval %arg, [17 x <16 x i8>] addrspace(2)* byval %arg1, [16 x <4 x i32>] addrspace(2)* byval %arg2, [32 x <8 x i32>] addrspace(2)* byval %arg3, float inreg %arg4, i32 inreg %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <3 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, i32 %arg19, float %arg20, float %arg21) #0 {
325bb:
326  %tmp = getelementptr [17 x <16 x i8>], [17 x <16 x i8>] addrspace(2)* %arg1, i32 0, i32 0
327  %tmp22 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp, !tbaa !2
328  %tmp23 = call float @llvm.SI.load.const(<16 x i8> %tmp22, i32 16)
329  %tmp25 = getelementptr [32 x <8 x i32>], [32 x <8 x i32>] addrspace(2)* %arg3, i32 0, i32 0
330  %tmp26 = load <8 x i32>, <8 x i32> addrspace(2)* %tmp25, !tbaa !2
331  %tmp27 = getelementptr [16 x <4 x i32>], [16 x <4 x i32>] addrspace(2)* %arg2, i32 0, i32 0
332  %tmp28 = load <4 x i32>, <4 x i32> addrspace(2)* %tmp27, !tbaa !2
333  %tmp29 = call float @llvm.SI.fs.interp(i32 0, i32 0, i32 %arg5, <2 x i32> %arg7)
334  %tmp30 = call float @llvm.SI.fs.interp(i32 1, i32 0, i32 %arg5, <2 x i32> %arg7)
335  %tmp31 = bitcast float %tmp23 to i32
336  %tmp36 = icmp ne i32 %tmp31, 0
337  br i1 %tmp36, label %bb38, label %bb80
338
339bb38:                                             ; preds = %bb
340  %tmp52 = bitcast float %tmp29 to i32
341  %tmp53 = bitcast float %tmp30 to i32
342  %tmp54 = insertelement <2 x i32> undef, i32 %tmp52, i32 0
343  %tmp55 = insertelement <2 x i32> %tmp54, i32 %tmp53, i32 1
344  %tmp56 = bitcast <8 x i32> %tmp26 to <8 x i32>
345  %tmp58 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> %tmp55, <8 x i32> %tmp56, <4 x i32> %tmp28, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
346  br label %bb71
347
348bb80:                                             ; preds = %bb
349  %tmp81 = bitcast float %tmp29 to i32
350  %tmp82 = bitcast float %tmp30 to i32
351  %tmp82.2 = add i32 %tmp82, 1
352  %tmp83 = insertelement <2 x i32> undef, i32 %tmp81, i32 0
353  %tmp84 = insertelement <2 x i32> %tmp83, i32 %tmp82.2, i32 1
354  %tmp85 = bitcast <8 x i32> %tmp26 to <8 x i32>
355  %tmp87 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> %tmp84, <8 x i32> %tmp85, <4 x i32> %tmp28, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
356  br label %bb71
357
358bb71:                                             ; preds = %bb80, %bb38
359  %tmp72 = phi <4 x float> [ %tmp58, %bb38 ], [ %tmp87, %bb80 ]
360  %tmp88 = extractelement <4 x float> %tmp72, i32 0
361  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %tmp88, float %tmp88, float %tmp88, float %tmp88)
362  ret void
363}
364
365; Check the the resource descriptor is stored in an sgpr.
366; CHECK-LABEL: {{^}}mimg_srsrc_sgpr:
367; CHECK: image_sample v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}] dmask:0x1
368define amdgpu_ps void @mimg_srsrc_sgpr([34 x <8 x i32>] addrspace(2)* byval %arg) #0 {
369  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
370  %tmp7 = getelementptr [34 x <8 x i32>], [34 x <8 x i32>] addrspace(2)* %arg, i32 0, i32 %tid
371  %tmp8 = load <8 x i32>, <8 x i32> addrspace(2)* %tmp7, align 32, !tbaa !0
372  %tmp9 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> <i32 1061158912, i32 1048576000>, <8 x i32> %tmp8, <4 x i32> undef, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
373  %tmp10 = extractelement <4 x float> %tmp9, i32 0
374  %tmp12 = call i32 @llvm.SI.packf16(float undef, float %tmp10)
375  %tmp13 = bitcast i32 %tmp12 to float
376  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %tmp13, float undef, float undef, float undef)
377  ret void
378}
379
380; Check the the sampler is stored in an sgpr.
381; CHECK-LABEL: {{^}}mimg_ssamp_sgpr:
382; CHECK: image_sample v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}] dmask:0x1
383define amdgpu_ps void @mimg_ssamp_sgpr([17 x <4 x i32>] addrspace(2)* byval %arg) #0 {
384  %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
385  %tmp7 = getelementptr [17 x <4 x i32>], [17 x <4 x i32>] addrspace(2)* %arg, i32 0, i32 %tid
386  %tmp8 = load <4 x i32>, <4 x i32> addrspace(2)* %tmp7, align 16, !tbaa !0
387  %tmp9 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> <i32 1061158912, i32 1048576000>, <8 x i32> undef, <4 x i32> %tmp8, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
388  %tmp10 = extractelement <4 x float> %tmp9, i32 0
389  %tmp12 = call i32 @llvm.SI.packf16(float %tmp10, float undef)
390  %tmp13 = bitcast i32 %tmp12 to float
391  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %tmp13, float undef, float undef, float undef)
392  ret void
393}
394
395declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #1
396
397attributes #0 = { nounwind }
398attributes #1 = { nounwind readnone }
399attributes #2 = { nounwind readonly }
400
401!0 = !{!1, !1, i64 0, i32 1}
402!1 = !{!"const", null}
403!2 = !{!1, !1, i64 0}
404