From 65d35a14b7d28aa3462af83d391a5039cc52a842 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sun, 26 Jul 2015 17:02:25 +0000
Subject: [PATCH] [X86][SSE] Refreshed vector bit count tests.

llvm-svn: 243249
---
 llvm/test/CodeGen/X86/vec_ctbits.ll | 128 ++++++++++++++++++++++------
 1 file changed, 102 insertions(+), 26 deletions(-)

diff --git a/llvm/test/CodeGen/X86/vec_ctbits.ll b/llvm/test/CodeGen/X86/vec_ctbits.ll
index 318aca1d54cb..6b3e73b62017 100644
--- a/llvm/test/CodeGen/X86/vec_ctbits.ll
+++ b/llvm/test/CodeGen/X86/vec_ctbits.ll
@@ -5,25 +5,63 @@ declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1)
 declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>)
 
 define <2 x i64> @footz(<2 x i64> %a) nounwind {
+; CHECK-LABEL: footz:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsfq %rax, %rax
+; CHECK-NEXT:    movd %rax, %xmm1
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsfq %rax, %rax
+; CHECK-NEXT:    movd %rax, %xmm0
+; CHECK-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
   %c = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 true)
   ret <2 x i64> %c
 
-; CHECK-LABEL: footz
-; CHECK: bsfq
-; CHECK: bsfq
 }
 define <2 x i64> @foolz(<2 x i64> %a) nounwind {
+; CHECK-LABEL: foolz:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsrq %rax, %rax
+; CHECK-NEXT:    xorq $63, %rax
+; CHECK-NEXT:    movd %rax, %xmm1
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsrq %rax, %rax
+; CHECK-NEXT:    xorq $63, %rax
+; CHECK-NEXT:    movd %rax, %xmm0
+; CHECK-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
   %c = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 true)
   ret <2 x i64> %c
 
-; CHECK-LABEL: foolz
-; CHECK: bsrq
-; CHECK: xorq $63
-; CHECK: bsrq
-; CHECK: xorq $63
 }
 
 define <2 x i64> @foopop(<2 x i64> %a) nounwind {
+; CHECK-LABEL: foopop:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrlq $1, %xmm1
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    psubq %xmm1, %xmm0
+; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [3689348814741910323,3689348814741910323]
+; CHECK-NEXT:    movdqa %xmm0, %xmm2
+; CHECK-NEXT:    pand %xmm1, %xmm2
+; CHECK-NEXT:    psrlq $2, %xmm0
+; CHECK-NEXT:    pand %xmm1, %xmm0
+; CHECK-NEXT:    paddq %xmm2, %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrlq $4, %xmm1
+; CHECK-NEXT:    paddq %xmm0, %xmm1
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    pxor %xmm0, %xmm0
+; CHECK-NEXT:    psadbw %xmm0, %xmm1
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
   %c = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
   ret <2 x i64> %c
 }
@@ -33,35 +71,73 @@ declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1)
 declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>)
 
 define <2 x i32> @promtz(<2 x i32> %a) nounwind {
+; CHECK-LABEL: promtz:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    por {{.*}}(%rip), %xmm0
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsfq %rax, %rax
+; CHECK-NEXT:    movl $64, %ecx
+; CHECK-NEXT:    cmoveq %rcx, %rax
+; CHECK-NEXT:    movd %rax, %xmm1
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsfq %rax, %rax
+; CHECK-NEXT:    cmoveq %rcx, %rax
+; CHECK-NEXT:    movd %rax, %xmm0
+; CHECK-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
   %c = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false)
   ret <2 x i32> %c
 
-; CHECK: .quad 4294967296
-; CHECK: .quad 4294967296
-; CHECK-LABEL: promtz
-; CHECK: bsfq
-; CHECK: cmov
-; CHECK: bsfq
-; CHECK: cmov
 }
 define <2 x i32> @promlz(<2 x i32> %a) nounwind {
+; CHECK-LABEL: promlz:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm0
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsrq %rax, %rax
+; CHECK-NEXT:    movl $127, %ecx
+; CHECK-NEXT:    cmoveq %rcx, %rax
+; CHECK-NEXT:    xorq $63, %rax
+; CHECK-NEXT:    movd %rax, %xmm1
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; CHECK-NEXT:    movd %xmm0, %rax
+; CHECK-NEXT:    bsrq %rax, %rax
+; CHECK-NEXT:    cmoveq %rcx, %rax
+; CHECK-NEXT:    xorq $63, %rax
+; CHECK-NEXT:    movd %rax, %xmm0
+; CHECK-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm0[0]
+; CHECK-NEXT:    psubq {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
   %c = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false)
   ret <2 x i32> %c
 
-; CHECK: .quad 4294967295
-; CHECK: .quad 4294967295
-; CHECK: .quad 32
-; CHECK: .quad 32
-; CHECK-LABEL: promlz
-; CHECK: pand
-; CHECK: bsrq
-; CHECK: xorq $63
-; CHECK: bsrq
-; CHECK: xorq $63
-; CHECK: psub
 }
 
 define <2 x i32> @prompop(<2 x i32> %a) nounwind {
+; CHECK-LABEL: prompop:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrlq $1, %xmm1
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    psubq %xmm1, %xmm0
+; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [3689348814741910323,3689348814741910323]
+; CHECK-NEXT:    movdqa %xmm0, %xmm2
+; CHECK-NEXT:    pand %xmm1, %xmm2
+; CHECK-NEXT:    psrlq $2, %xmm0
+; CHECK-NEXT:    pand %xmm1, %xmm0
+; CHECK-NEXT:    paddq %xmm2, %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrlq $4, %xmm1
+; CHECK-NEXT:    paddq %xmm0, %xmm1
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    pxor %xmm0, %xmm0
+; CHECK-NEXT:    psadbw %xmm0, %xmm1
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
   %c = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a)
   ret <2 x i32> %c
 }
-- 
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