1 files changed, 85 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/vec_clz.ll b/llvm/test/CodeGen/X86/vec_clz.ll
new file mode 100644
index 00000000000..6e64641f782
--- /dev/null
+++ b/llvm/test/CodeGen/X86/vec_clz.ll
@@ -0,0 +1,85 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -x86-experimental-vector-widening-legalization | FileCheck %s
+
+declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1 immarg)
+
+define <2 x i32> @illegal_ctlz(<2 x i32> %v1) {
+; CHECK-LABEL: illegal_ctlz:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrld $1, %xmm1
+; CHECK-NEXT:    por %xmm0, %xmm1
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    psrld $2, %xmm0
+; CHECK-NEXT:    por %xmm1, %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrld $4, %xmm1
+; CHECK-NEXT:    por %xmm0, %xmm1
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    psrld $8, %xmm0
+; CHECK-NEXT:    por %xmm1, %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrld $16, %xmm1
+; CHECK-NEXT:    por %xmm0, %xmm1
+; CHECK-NEXT:    pcmpeqd %xmm2, %xmm2
+; CHECK-NEXT:    pxor %xmm1, %xmm2
+; CHECK-NEXT:    movdqa %xmm2, %xmm0
+; CHECK-NEXT:    psrlw $1, %xmm0
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm0
+; CHECK-NEXT:    psubb %xmm0, %xmm2
+; CHECK-NEXT:    movdqa {{.*#+}} xmm0 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
+; CHECK-NEXT:    movdqa %xmm2, %xmm1
+; CHECK-NEXT:    pand %xmm0, %xmm1
+; CHECK-NEXT:    psrlw $2, %xmm2
+; CHECK-NEXT:    pand %xmm0, %xmm2
+; CHECK-NEXT:    paddb %xmm1, %xmm2
+; CHECK-NEXT:    movdqa %xmm2, %xmm0
+; CHECK-NEXT:    psrlw $4, %xmm0
+; CHECK-NEXT:    paddb %xmm2, %xmm0
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm0
+; CHECK-NEXT:    pxor %xmm1, %xmm1
+; CHECK-NEXT:    movdqa %xmm0, %xmm2
+; CHECK-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3]
+; CHECK-NEXT:    psadbw %xmm1, %xmm2
+; CHECK-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; CHECK-NEXT:    psadbw %xmm1, %xmm0
+; CHECK-NEXT:    packuswb %xmm2, %xmm0
+; CHECK-NEXT:    retq
+  %v2 = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %v1, i1 true)
+  ret <2 x i32> %v2
+}
+
+declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1 immarg)
+
+define <2 x i32> @illegal_cttz(<2 x i32> %v1) {
+; CHECK-LABEL: illegal_cttz:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    pcmpeqd %xmm1, %xmm1
+; CHECK-NEXT:    paddd %xmm0, %xmm1
+; CHECK-NEXT:    pandn %xmm1, %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrlw $1, %xmm1
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    psubb %xmm1, %xmm0
+; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
+; CHECK-NEXT:    movdqa %xmm0, %xmm2
+; CHECK-NEXT:    pand %xmm1, %xmm2
+; CHECK-NEXT:    psrlw $2, %xmm0
+; CHECK-NEXT:    pand %xmm1, %xmm0
+; CHECK-NEXT:    paddb %xmm2, %xmm0
+; CHECK-NEXT:    movdqa %xmm0, %xmm1
+; CHECK-NEXT:    psrlw $4, %xmm1
+; CHECK-NEXT:    paddb %xmm0, %xmm1
+; CHECK-NEXT:    pand {{.*}}(%rip), %xmm1
+; CHECK-NEXT:    pxor %xmm0, %xmm0
+; CHECK-NEXT:    movdqa %xmm1, %xmm2
+; CHECK-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm0[2],xmm2[3],xmm0[3]
+; CHECK-NEXT:    psadbw %xmm0, %xmm2
+; CHECK-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; CHECK-NEXT:    psadbw %xmm0, %xmm1
+; CHECK-NEXT:    packuswb %xmm2, %xmm1
+; CHECK-NEXT:    movdqa %xmm1, %xmm0
+; CHECK-NEXT:    retq
+  %v2 = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %v1, i1 true)
+  ret <2 x i32> %v2
+}