forked from OSchip/llvm-project
347 lines
12 KiB
LLVM
347 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; Tests for SSE1 and below, without SSE2+.
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium3 -O3 | FileCheck %s --check-prefix=X32
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2,+sse -O3 | FileCheck %s --check-prefix=X64
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; PR7993
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;define <4 x i32> @test3(<4 x i16> %a) nounwind {
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; %c = sext <4 x i16> %a to <4 x i32> ; <<4 x i32>> [#uses=1]
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; ret <4 x i32> %c
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;}
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; This should not emit shuffles to populate the top 2 elements of the 4-element
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; vector that this ends up returning.
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; rdar://8368414
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define <2 x float> @test4(<2 x float> %A, <2 x float> %B) nounwind {
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; X32-LABEL: test4:
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; X32: # BB#0: # %entry
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; X32-NEXT: movaps %xmm0, %xmm2
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; X32-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,1,2,3]
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; X32-NEXT: addss %xmm1, %xmm0
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; X32-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,2,3]
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; X32-NEXT: subss %xmm1, %xmm2
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; X32-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
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; X32-NEXT: retl
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;
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; X64-LABEL: test4:
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; X64: # BB#0: # %entry
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; X64-NEXT: movaps %xmm0, %xmm2
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; X64-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,1,2,3]
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; X64-NEXT: addss %xmm1, %xmm0
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; X64-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,2,3]
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; X64-NEXT: subss %xmm1, %xmm2
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; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
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; X64-NEXT: retq
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entry:
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%tmp7 = extractelement <2 x float> %A, i32 0
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%tmp5 = extractelement <2 x float> %A, i32 1
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%tmp3 = extractelement <2 x float> %B, i32 0
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%tmp1 = extractelement <2 x float> %B, i32 1
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%add.r = fadd float %tmp7, %tmp3
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%add.i = fsub float %tmp5, %tmp1
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%tmp11 = insertelement <2 x float> undef, float %add.r, i32 0
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%tmp9 = insertelement <2 x float> %tmp11, float %add.i, i32 1
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ret <2 x float> %tmp9
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}
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; We used to get stuck in type legalization for this example when lowering the
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; vselect. With SSE1 v4f32 is a legal type but v4i1 (or any vector integer type)
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; is not. We used to ping pong between splitting the vselect for the v4i
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; condition operand and widening the resulting vselect for the v4f32 result.
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; PR18036
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define <4 x float> @vselect(<4 x float>*%p, <4 x i32> %q) {
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; X32-LABEL: vselect:
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; X32: # BB#0: # %entry
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; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X32-NEXT: xorps %xmm0, %xmm0
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; X32-NEXT: je .LBB1_1
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; X32-NEXT: # BB#2: # %entry
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; X32-NEXT: xorps %xmm1, %xmm1
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; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X32-NEXT: jne .LBB1_5
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; X32-NEXT: .LBB1_4:
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; X32-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X32-NEXT: jne .LBB1_8
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; X32-NEXT: .LBB1_7:
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; X32-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
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; X32-NEXT: jmp .LBB1_9
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; X32-NEXT: .LBB1_1:
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; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X32-NEXT: je .LBB1_4
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; X32-NEXT: .LBB1_5: # %entry
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; X32-NEXT: xorps %xmm2, %xmm2
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; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X32-NEXT: je .LBB1_7
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; X32-NEXT: .LBB1_8: # %entry
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; X32-NEXT: xorps %xmm3, %xmm3
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; X32-NEXT: .LBB1_9: # %entry
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; X32-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1]
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; X32-NEXT: cmpl $0, {{[0-9]+}}(%esp)
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; X32-NEXT: jne .LBB1_11
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; X32-NEXT: # BB#10:
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; X32-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X32-NEXT: .LBB1_11: # %entry
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; X32-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; X32-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
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; X32-NEXT: retl
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;
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; X64-LABEL: vselect:
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; X64: # BB#0: # %entry
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; X64-NEXT: testl %ecx, %ecx
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; X64-NEXT: xorps %xmm0, %xmm0
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; X64-NEXT: je .LBB1_1
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; X64-NEXT: # BB#2: # %entry
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; X64-NEXT: xorps %xmm1, %xmm1
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; X64-NEXT: testl %edx, %edx
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; X64-NEXT: jne .LBB1_5
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; X64-NEXT: .LBB1_4:
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; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X64-NEXT: testl %r8d, %r8d
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; X64-NEXT: jne .LBB1_8
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; X64-NEXT: .LBB1_7:
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; X64-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
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; X64-NEXT: jmp .LBB1_9
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; X64-NEXT: .LBB1_1:
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; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X64-NEXT: testl %edx, %edx
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; X64-NEXT: je .LBB1_4
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; X64-NEXT: .LBB1_5: # %entry
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; X64-NEXT: xorps %xmm2, %xmm2
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; X64-NEXT: testl %r8d, %r8d
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; X64-NEXT: je .LBB1_7
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; X64-NEXT: .LBB1_8: # %entry
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; X64-NEXT: xorps %xmm3, %xmm3
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; X64-NEXT: .LBB1_9: # %entry
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; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1]
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; X64-NEXT: testl %esi, %esi
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; X64-NEXT: jne .LBB1_11
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; X64-NEXT: # BB#10:
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; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-NEXT: .LBB1_11: # %entry
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; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
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; X64-NEXT: retq
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entry:
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%a1 = icmp eq <4 x i32> %q, zeroinitializer
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%a14 = select <4 x i1> %a1, <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+0> , <4 x float> zeroinitializer
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ret <4 x float> %a14
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}
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; v4i32 isn't legal for SSE1, but this should be cmpps.
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define <4 x float> @PR28044(<4 x float> %a0, <4 x float> %a1) nounwind {
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; X32-LABEL: PR28044:
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; X32: # BB#0:
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; X32-NEXT: cmpeqps %xmm1, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: PR28044:
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; X64: # BB#0:
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; X64-NEXT: cmpeqps %xmm1, %xmm0
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; X64-NEXT: retq
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%cmp = fcmp oeq <4 x float> %a0, %a1
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%sext = sext <4 x i1> %cmp to <4 x i32>
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%res = bitcast <4 x i32> %sext to <4 x float>
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ret <4 x float> %res
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}
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; Don't crash trying to do the impossible: an integer vector comparison doesn't exist, so we must scalarize.
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; https://llvm.org/bugs/show_bug.cgi?id=30512
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define <4 x i32> @PR30512(<4 x i32> %x, <4 x i32> %y) nounwind {
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; X32-LABEL: PR30512:
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; X32: # BB#0:
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; X32-NEXT: pushl %ebp
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; X32-NEXT: pushl %ebx
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; X32-NEXT: pushl %edi
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; X32-NEXT: pushl %esi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp
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; X32-NEXT: movl {{[0-9]+}}(%esp), %esi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: xorl %ecx, %ecx
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; X32-NEXT: cmpl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: sete %cl
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; X32-NEXT: xorl %edx, %edx
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; X32-NEXT: cmpl {{[0-9]+}}(%esp), %ebx
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; X32-NEXT: sete %dl
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; X32-NEXT: xorl %ebx, %ebx
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; X32-NEXT: cmpl {{[0-9]+}}(%esp), %edi
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; X32-NEXT: sete %bl
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; X32-NEXT: xorl %eax, %eax
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; X32-NEXT: cmpl {{[0-9]+}}(%esp), %esi
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; X32-NEXT: sete %al
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; X32-NEXT: movl %eax, 12(%ebp)
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; X32-NEXT: movl %ebx, 8(%ebp)
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; X32-NEXT: movl %edx, 4(%ebp)
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; X32-NEXT: movl %ecx, (%ebp)
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; X32-NEXT: movl %ebp, %eax
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; X32-NEXT: popl %esi
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; X32-NEXT: popl %edi
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; X32-NEXT: popl %ebx
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; X32-NEXT: popl %ebp
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; X32-NEXT: retl $4
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;
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; X64-LABEL: PR30512:
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; X64: # BB#0:
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: cmpl %r9d, %esi
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; X64-NEXT: sete %al
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; X64-NEXT: xorl %esi, %esi
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; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %edx
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; X64-NEXT: sete %sil
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; X64-NEXT: xorl %edx, %edx
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; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %ecx
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; X64-NEXT: sete %dl
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; X64-NEXT: xorl %ecx, %ecx
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; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %r8d
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; X64-NEXT: sete %cl
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; X64-NEXT: movl %ecx, 12(%rdi)
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; X64-NEXT: movl %edx, 8(%rdi)
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; X64-NEXT: movl %esi, 4(%rdi)
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; X64-NEXT: movl %eax, (%rdi)
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: retq
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%cmp = icmp eq <4 x i32> %x, %y
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%zext = zext <4 x i1> %cmp to <4 x i32>
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ret <4 x i32> %zext
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}
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; Fragile test warning - we need to induce the generation of a vselect
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; post-legalization to cause the crash seen in:
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; https://llvm.org/bugs/show_bug.cgi?id=31672
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; Is there a way to do that without an unsafe/fast sqrt intrinsic call?
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; Also, although the goal for adding this test is to prove that we
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; don't crash, I have no idea what this code is doing, so I'm keeping
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; the full codegen checks in case there's motivation to improve this.
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define <2 x float> @PR31672() #0 {
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; X32-LABEL: PR31672:
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; X32: # BB#0:
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; X32-NEXT: pushl %ebp
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; X32-NEXT: movl %esp, %ebp
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; X32-NEXT: andl $-16, %esp
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; X32-NEXT: subl $80, %esp
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; X32-NEXT: xorps %xmm0, %xmm0
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; X32-NEXT: movaps {{.*#+}} xmm1 = <42,3,u,u>
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; X32-NEXT: movaps %xmm1, %xmm2
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; X32-NEXT: cmpeqps %xmm0, %xmm2
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; X32-NEXT: movaps %xmm2, {{[0-9]+}}(%esp)
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; X32-NEXT: movaps %xmm0, {{[0-9]+}}(%esp)
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; X32-NEXT: rsqrtps %xmm1, %xmm0
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; X32-NEXT: mulps %xmm0, %xmm1
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; X32-NEXT: mulps %xmm0, %xmm1
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; X32-NEXT: addps {{\.LCPI.*}}, %xmm1
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; X32-NEXT: mulps {{\.LCPI.*}}, %xmm0
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; X32-NEXT: mulps %xmm1, %xmm0
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; X32-NEXT: movaps %xmm0, {{[0-9]+}}(%esp)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: andl %eax, %ecx
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; X32-NEXT: notl %eax
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; X32-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: orl %ecx, %eax
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; X32-NEXT: movl %eax, (%esp)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: andl %ecx, %edx
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; X32-NEXT: notl %ecx
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; X32-NEXT: andl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: orl %edx, %ecx
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; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: andl %ecx, %edx
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; X32-NEXT: notl %ecx
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; X32-NEXT: andl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: orl %edx, %ecx
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; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp)
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: andl %eax, %ecx
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; X32-NEXT: notl %eax
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; X32-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: orl %ecx, %eax
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; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
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; X32-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X32-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
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; X32-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X32-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X32-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
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; X32-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; X32-NEXT: movl %ebp, %esp
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; X32-NEXT: popl %ebp
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; X32-NEXT: retl
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;
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; X64-LABEL: PR31672:
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; X64: # BB#0:
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; X64-NEXT: xorps %xmm0, %xmm0
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; X64-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
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; X64-NEXT: movaps {{.*#+}} xmm1 = <42,3,u,u>
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; X64-NEXT: cmpeqps %xmm1, %xmm0
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; X64-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
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; X64-NEXT: rsqrtps %xmm1, %xmm0
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; X64-NEXT: mulps %xmm0, %xmm1
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; X64-NEXT: mulps %xmm0, %xmm1
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; X64-NEXT: addps {{.*}}(%rip), %xmm1
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; X64-NEXT: mulps {{.*}}(%rip), %xmm0
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; X64-NEXT: mulps %xmm1, %xmm0
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; X64-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
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; X64-NEXT: movq -{{[0-9]+}}(%rsp), %r8
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; X64-NEXT: movq -{{[0-9]+}}(%rsp), %r9
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; X64-NEXT: movq -{{[0-9]+}}(%rsp), %r10
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; X64-NEXT: movq -{{[0-9]+}}(%rsp), %rdi
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; X64-NEXT: movl %r9d, %esi
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; X64-NEXT: andl %edi, %esi
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; X64-NEXT: movl %edi, %ecx
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; X64-NEXT: notl %ecx
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; X64-NEXT: movq -{{[0-9]+}}(%rsp), %rdx
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; X64-NEXT: movq -{{[0-9]+}}(%rsp), %rax
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; X64-NEXT: andl %eax, %ecx
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; X64-NEXT: orl %esi, %ecx
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; X64-NEXT: movl %ecx, -{{[0-9]+}}(%rsp)
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; X64-NEXT: movl %r8d, %ecx
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; X64-NEXT: andl %r10d, %ecx
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; X64-NEXT: movl %r10d, %esi
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; X64-NEXT: notl %esi
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; X64-NEXT: andl %edx, %esi
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; X64-NEXT: orl %ecx, %esi
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; X64-NEXT: movl %esi, -{{[0-9]+}}(%rsp)
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; X64-NEXT: shrq $32, %r9
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; X64-NEXT: shrq $32, %rdi
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; X64-NEXT: andl %edi, %r9d
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; X64-NEXT: notl %edi
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; X64-NEXT: shrq $32, %rax
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; X64-NEXT: andl %edi, %eax
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; X64-NEXT: orl %r9d, %eax
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; X64-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
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; X64-NEXT: shrq $32, %r8
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; X64-NEXT: shrq $32, %r10
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; X64-NEXT: andl %r10d, %r8d
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; X64-NEXT: notl %r10d
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; X64-NEXT: shrq $32, %rdx
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; X64-NEXT: andl %r10d, %edx
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; X64-NEXT: orl %r8d, %edx
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; X64-NEXT: movl %edx, -{{[0-9]+}}(%rsp)
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; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
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; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
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; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
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; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
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; X64-NEXT: retq
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%t0 = call fast <2 x float> @llvm.sqrt.v2f32(<2 x float> <float 42.0, float 3.0>)
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ret <2 x float> %t0
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}
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declare <2 x float> @llvm.sqrt.v2f32(<2 x float>) #1
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attributes #0 = { nounwind "unsafe-fp-math"="true" }
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