1 ; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse2 | FileCheck %s
3 define i32 @t0(i64 %x) {
5 ; CHECK: # BB#0:{{.*}} %entry
6 ; CHECK: movd %[[REG1:[a-z]+]], %mm0
7 ; CHECK-NEXT: pshufw $238, %mm0, %mm0
8 ; CHECK-NEXT: movd %mm0, %eax
11 %0 = bitcast i64 %x to <4 x i16>
12 %1 = bitcast <4 x i16> %0 to x86_mmx
13 %2 = tail call x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx %1, i8 -18)
14 %3 = bitcast x86_mmx %2 to <4 x i16>
15 %4 = bitcast <4 x i16> %3 to <1 x i64>
16 %5 = extractelement <1 x i64> %4, i32 0
17 %6 = bitcast i64 %5 to <2 x i32>
18 %7 = extractelement <2 x i32> %6, i32 0
22 define i64 @t1(i64 %x, i32 %n) {
24 ; CHECK: # BB#0:{{.*}} %entry
25 ; CHECK: movd %[[REG2:[a-z]+]], %mm0
26 ; CHECK-NEXT: movd %[[REG1]], %mm1
27 ; CHECK-NEXT: psllq %mm0, %mm1
28 ; CHECK-NEXT: movd %mm1, %rax
31 %0 = bitcast i64 %x to x86_mmx
32 %1 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %0, i32 %n)
33 %2 = bitcast x86_mmx %1 to i64
37 define i64 @t2(i64 %x, i32 %n, i32 %w) {
39 ; CHECK: # BB#0:{{.*}} %entry
40 ; CHECK: movd %[[REG4:[a-z]+]], %mm0
41 ; CHECK-NEXT: movd %[[REG6:[a-z0-9]+]], %mm1
42 ; CHECK-NEXT: psllq %mm0, %mm1
43 ; CHECK-NEXT: movd %[[REG1]], %mm0
44 ; CHECK-NEXT: por %mm1, %mm0
45 ; CHECK-NEXT: movd %mm0, %rax
48 %0 = insertelement <2 x i32> undef, i32 %w, i32 0
49 %1 = insertelement <2 x i32> %0, i32 0, i32 1
50 %2 = bitcast <2 x i32> %1 to x86_mmx
51 %3 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %2, i32 %n)
52 %4 = bitcast i64 %x to x86_mmx
53 %5 = tail call x86_mmx @llvm.x86.mmx.por(x86_mmx %4, x86_mmx %3)
54 %6 = bitcast x86_mmx %5 to i64
58 define i64 @t3(<1 x i64>* %y, i32* %n) {
60 ; CHECK: # BB#0:{{.*}} %entry
61 ; CHECK: movq (%[[REG1]]), %mm0
62 ; CHECK-NEXT: psllq (%[[REG3:[a-z]+]]), %mm0
63 ; CHECK-NEXT: movd %mm0, %rax
66 %0 = bitcast <1 x i64>* %y to x86_mmx*
67 %1 = load x86_mmx, x86_mmx* %0, align 8
68 %2 = load i32, i32* %n, align 4
69 %3 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %1, i32 %2)
70 %4 = bitcast x86_mmx %3 to i64
74 declare x86_mmx @llvm.x86.sse.pshuf.w(x86_mmx, i8)
75 declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32)
76 declare x86_mmx @llvm.x86.mmx.por(x86_mmx, x86_mmx)