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1# RUN: llc -march=amdgcn -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s -check-prefixes=GCN
2
3--- |
4  define void @maxnum(i32 addrspace(1)* %global0) { ret void }
5...
6---
7
8name:            maxnum
9legalized:       true
10regBankSelected: true
11
12# GCN-LABEL: name: maxnum
13body: |
14  bb.0:
15    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
16    ; GCN: [[SGPR0:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
17    ; GCN: [[VGPR0:%[0-9]+]]:vgpr_32 = COPY $vgpr0
18    ; GCN: [[VGPR1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
19    %0:sgpr(s32) = COPY $sgpr0
20    %1:vgpr(s32) = COPY $vgpr0
21    %2:vgpr(s32) = COPY $vgpr1
22    %3:vgpr(s64) = COPY $vgpr3_vgpr4
23
24    ; GCN: [[SGPR64_0:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
25    ; GCN: [[VGPR64_0:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
26    ; GCN: [[VGPR64_1:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
27    %10:sgpr(s64) = COPY $sgpr10_sgpr11
28    %11:vgpr(s64) = COPY $vgpr10_vgpr11
29    %12:vgpr(s64) = COPY $vgpr12_vgpr13
30
31    ; maxnum vs
32    ; GCN: V_MAX_F32_e32 [[SGPR0]], [[VGPR0]]
33    %4:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %1, %0
34
35    ; maxnum sv
36    ; GCN: V_MAX_F32_e32 [[SGPR0]], [[VGPR0]]
37    %5:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
38
39    ; maxnum vv
40    ; GCN: V_MAX_F32_e32 [[VGPR0]], [[VGPR1]]
41    %6:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %1, %2
42
43    G_STORE %4, %3 :: (store 4 into %ir.global0)
44    G_STORE %5, %3 :: (store 4 into %ir.global0)
45    G_STORE %6, %3 :: (store 4 into %ir.global0)
46
47    ; 64-bit
48
49    ; maxnum vs
50    ; GCN: V_MAX_F64 0, [[SGPR64_0]], 0, [[VGPR64_0]], 0, 0
51    %14:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.maxnum.f64), %10, %11
52
53    ; maxnum sv
54    ; GCN: V_MAX_F64 0, [[VGPR64_0]], 0, [[SGPR64_0]], 0, 0
55    %15:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.maxnum.f64), %11, %10
56
57    ; maxnum vv
58    ; GCN: V_MAX_F64 0, [[VGPR64_0]], 0, [[VGPR64_1]], 0, 0
59    %16:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.maxnum.f64), %11, %12
60
61    G_STORE %14, %3 :: (store 8 into %ir.global0)
62    G_STORE %15, %3 :: (store 8 into %ir.global0)
63    G_STORE %16, %3 :: (store 8 into %ir.global0)
64
65...
66---
67