xref: /llvm-project/llvm/test/CodeGen/X86/bitcast-int-to-vector.ll (revision 0c005be6eb6bc21464d7c1f7d5f44eb1e5369749)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86-SSE
4; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
5
6define i1 @foo(i64 %a) {
7; X86-LABEL: foo:
8; X86:       # %bb.0:
9; X86-NEXT:    flds {{[0-9]+}}(%esp)
10; X86-NEXT:    flds {{[0-9]+}}(%esp)
11; X86-NEXT:    fucompp
12; X86-NEXT:    fnstsw %ax
13; X86-NEXT:    # kill: def $ah killed $ah killed $ax
14; X86-NEXT:    sahf
15; X86-NEXT:    setp %al
16; X86-NEXT:    retl
17;
18; X86-SSE-LABEL: foo:
19; X86-SSE:       # %bb.0:
20; X86-SSE-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
21; X86-SSE-NEXT:    movaps %xmm0, %xmm1
22; X86-SSE-NEXT:    shufps {{.*#+}} xmm1 = xmm1[1,1],xmm0[1,1]
23; X86-SSE-NEXT:    ucomiss %xmm1, %xmm0
24; X86-SSE-NEXT:    setp %al
25; X86-SSE-NEXT:    retl
26;
27; X64-LABEL: foo:
28; X64:       # %bb.0:
29; X64-NEXT:    movq %rdi, %xmm0
30; X64-NEXT:    pshufd {{.*#+}} xmm1 = xmm0[1,1,1,1]
31; X64-NEXT:    ucomiss %xmm1, %xmm0
32; X64-NEXT:    setp %al
33; X64-NEXT:    retq
34  %t = bitcast i64 %a to <2 x float>
35  %r = extractelement <2 x float> %t, i32 0
36  %s = extractelement <2 x float> %t, i32 1
37  %b = fcmp uno float %r, %s
38  ret i1 %b
39}
40