1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
3 ; GCN-LABEL: {{^}}zext_shl64_to_32:
6 define amdgpu_kernel void @zext_shl64_to_32(i64 addrspace(1)* nocapture %out, i32 %x) {
7 %and = and i32 %x, 1073741823
8 %ext = zext i32 %and to i64
10 store i64 %shl, i64 addrspace(1)* %out, align 4
14 ; GCN-LABEL: {{^}}sext_shl64_to_32:
17 define amdgpu_kernel void @sext_shl64_to_32(i64 addrspace(1)* nocapture %out, i32 %x) {
18 %and = and i32 %x, 536870911
19 %ext = sext i32 %and to i64
20 %shl = shl i64 %ext, 2
21 store i64 %shl, i64 addrspace(1)* %out, align 4
25 ; GCN-LABEL: {{^}}zext_shl64_overflow:
28 define amdgpu_kernel void @zext_shl64_overflow(i64 addrspace(1)* nocapture %out, i32 %x) {
29 %and = and i32 %x, 2147483647
30 %ext = zext i32 %and to i64
31 %shl = shl i64 %ext, 2
32 store i64 %shl, i64 addrspace(1)* %out, align 4
36 ; GCN-LABEL: {{^}}sext_shl64_overflow:
39 define amdgpu_kernel void @sext_shl64_overflow(i64 addrspace(1)* nocapture %out, i32 %x) {
40 %and = and i32 %x, 2147483647
41 %ext = sext i32 %and to i64
42 %shl = shl i64 %ext, 2
43 store i64 %shl, i64 addrspace(1)* %out, align 4
47 ; GCN-LABEL: {{^}}mulu24_shl64:
48 ; GCN: v_mul_u32_u24_e32 [[M:v[0-9]+]], 7, v{{[0-9]+}}
49 ; GCN: v_lshlrev_b32_e32 v{{[0-9]+}}, 2, [[M]]
50 define amdgpu_kernel void @mulu24_shl64(i32 addrspace(1)* nocapture %arg) {
52 %tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
53 %tmp1 = and i32 %tmp, 6
54 %mulconv = mul nuw nsw i32 %tmp1, 7
55 %tmp2 = zext i32 %mulconv to i64
56 %tmp3 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp2
57 store i32 0, i32 addrspace(1)* %tmp3, align 4
61 ; GCN-LABEL: {{^}}muli24_shl64:
62 ; GCN: v_mul_i32_i24_e32 [[M:v[0-9]+]], -7, v{{[0-9]+}}
63 ; GCN: v_lshlrev_b32_e32 v{{[0-9]+}}, 3, [[M]]
64 define amdgpu_kernel void @muli24_shl64(i64 addrspace(1)* nocapture %arg, i32 addrspace(1)* nocapture readonly %arg1) {
66 %tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
67 %tmp2 = sext i32 %tmp to i64
68 %tmp3 = getelementptr inbounds i32, i32 addrspace(1)* %arg1, i64 %tmp2
69 %tmp4 = load i32, i32 addrspace(1)* %tmp3, align 4
70 %tmp5 = or i32 %tmp4, -8388608
71 %tmp6 = mul nsw i32 %tmp5, -7
72 %tmp7 = zext i32 %tmp6 to i64
73 %tmp8 = shl nuw nsw i64 %tmp7, 3
74 %tmp9 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i64 %tmp2
75 store i64 %tmp8, i64 addrspace(1)* %tmp9, align 8
79 declare i32 @llvm.amdgcn.workitem.id.x()