1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+mmx,+sse2 | FileCheck %s
4 %SA = type <{ %union.anon, i32, [4 x i8], ptr, ptr, ptr, i32, [4 x i8] }>
5 %union.anon = type { <1 x i64> }
7 ; Check that extra movd (copy) instructions aren't generated.
9 define i32 @test(ptr %pSA, ptr %A, i32 %B, i32 %C, i32 %D, ptr %E) {
11 ; CHECK: # %bb.0: # %entry
12 ; CHECK-NEXT: pshufw $238, (%rdi), %mm0 # mm0 = mem[2,3,2,3]
13 ; CHECK-NEXT: movd %mm0, %eax
14 ; CHECK-NEXT: testl %eax, %eax
15 ; CHECK-NEXT: je .LBB0_1
16 ; CHECK-NEXT: # %bb.2: # %if.B
17 ; CHECK-NEXT: pshufw $238, %mm0, %mm0 # mm0 = mm0[2,3,2,3]
18 ; CHECK-NEXT: movq %mm0, %rax
19 ; CHECK-NEXT: jmp .LBB0_3
20 ; CHECK-NEXT: .LBB0_1: # %if.A
21 ; CHECK-NEXT: movd %edx, %mm1
22 ; CHECK-NEXT: psllq %mm1, %mm0
23 ; CHECK-NEXT: movq %mm0, %rax
24 ; CHECK-NEXT: testq %rax, %rax
25 ; CHECK-NEXT: jne .LBB0_4
26 ; CHECK-NEXT: .LBB0_3: # %if.C
27 ; CHECK-NEXT: testl %eax, %eax
28 ; CHECK-NEXT: je .LBB0_1
29 ; CHECK-NEXT: .LBB0_4: # %merge
30 ; CHECK-NEXT: pshufw $238, %mm0, %mm0 # mm0 = mm0[2,3,2,3]
31 ; CHECK-NEXT: movd %mm0, %eax
35 %shl1 = shl i32 %C, %B
37 %v0 = load <1 x i64>, ptr %pSA, align 8
38 %SA0 = getelementptr inbounds %SA, ptr %pSA, i64 0, i32 1
39 %v1 = load i32, ptr %SA0, align 4
40 %SA1 = getelementptr inbounds %SA, ptr %pSA, i64 0, i32 3
41 %v2 = load ptr, ptr %SA1, align 8
42 %SA2 = getelementptr inbounds %SA, ptr %pSA, i64 0, i32 4
43 %v3 = load ptr, ptr %SA2, align 8
44 %v4 = bitcast <1 x i64> %v0 to <4 x i16>
45 %v5 = bitcast <4 x i16> %v4 to x86_mmx
46 %v6 = tail call x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx %v5, i8 -18)
47 %v7 = bitcast x86_mmx %v6 to <4 x i16>
48 %v8 = bitcast <4 x i16> %v7 to <1 x i64>
49 %v9 = extractelement <1 x i64> %v8, i32 0
50 %v10 = bitcast i64 %v9 to <2 x i32>
51 %v11 = extractelement <2 x i32> %v10, i32 0
52 %cmp = icmp eq i32 %v11, 0
53 br i1 %cmp, label %if.A, label %if.B
56 %pa = phi <1 x i64> [ %v8, %entry ], [ %vx, %if.C ]
57 %v17 = extractelement <1 x i64> %pa, i32 0
58 %v18 = bitcast i64 %v17 to x86_mmx
59 %v19 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %v18, i32 %B) #2
60 %v20 = bitcast x86_mmx %v19 to i64
61 %v21 = insertelement <1 x i64> undef, i64 %v20, i32 0
62 %cmp3 = icmp eq i64 %v20, 0
63 br i1 %cmp3, label %if.C, label %merge
66 %v34 = bitcast <1 x i64> %v8 to <4 x i16>
67 %v35 = bitcast <4 x i16> %v34 to x86_mmx
68 %v36 = tail call x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx %v35, i8 -18)
69 %v37 = bitcast x86_mmx %v36 to <4 x i16>
70 %v38 = bitcast <4 x i16> %v37 to <1 x i64>
74 %vx = phi <1 x i64> [ %v21, %if.A ], [ %v38, %if.B ]
75 %cvt = bitcast <1 x i64> %vx to <2 x i32>
76 %ex = extractelement <2 x i32> %cvt, i32 0
77 %cmp2 = icmp eq i32 %ex, 0
78 br i1 %cmp2, label %if.A, label %merge
81 %vy = phi <1 x i64> [ %v21, %if.A ], [ %vx, %if.C ]
82 %v130 = bitcast <1 x i64> %vy to <4 x i16>
83 %v131 = bitcast <4 x i16> %v130 to x86_mmx
84 %v132 = tail call x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx %v131, i8 -18)
85 %v133 = bitcast x86_mmx %v132 to <4 x i16>
86 %v134 = bitcast <4 x i16> %v133 to <1 x i64>
87 %v135 = extractelement <1 x i64> %v134, i32 0
88 %v136 = bitcast i64 %v135 to <2 x i32>
89 %v137 = extractelement <2 x i32> %v136, i32 0
94 declare x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx, i8)
95 declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32)