CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / vec_ctbits.ll

diff --git a/test/CodeGen/X86/vec_ctbits.ll b/test/CodeGen/X86/vec_ctbits.ll
index 0aa72b124349bde9fbdd46907f2d03b15d857d98..66114bc9c6bcfd50472d1bd3a17f4849ad80ee12 100644 (file)
--- a/test/CodeGen/X86/vec_ctbits.ll
+++ b/test/CodeGen/X86/vec_ctbits.ll
@@ -1,29 +1,68 @@
-; RUN: llc < %s -march=x86-64 -mattr=+sse2 | FileCheck %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s
 
 declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1)
 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 +72,73 @@ 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
 }