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-rw-r--r--llvm/test/CodeGen/X86/memcmp.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/memcmp.ll b/llvm/test/CodeGen/X86/memcmp.ll
index 8a7c7847fe0..54bd3fc2e80 100644
--- a/llvm/test/CodeGen/X86/memcmp.ll
+++ b/llvm/test/CodeGen/X86/memcmp.ll
@@ -5,6 +5,8 @@
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx512f | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX512F
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx512bw | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX512F --check-prefix=X64-AVX512BW
; This tests codegen time inlining/optimization of memcmp
; rdar://6480398
@@ -1540,6 +1542,15 @@ define i1 @length64_eq(i8* %x, i8* %y) nounwind {
; X64-AVX2-NEXT: setne %al
; X64-AVX2-NEXT: vzeroupper
; X64-AVX2-NEXT: retq
+;
+; X64-AVX512F-LABEL: length64_eq:
+; X64-AVX512F: # %bb.0:
+; X64-AVX512F-NEXT: vmovdqu64 (%rdi), %zmm0
+; X64-AVX512F-NEXT: vpcmpeqd (%rsi), %zmm0, %k0
+; X64-AVX512F-NEXT: kortestw %k0, %k0
+; X64-AVX512F-NEXT: setae %al
+; X64-AVX512F-NEXT: vzeroupper
+; X64-AVX512F-NEXT: retq
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 64) nounwind
%cmp = icmp ne i32 %call, 0
ret i1 %cmp
@@ -1592,6 +1603,15 @@ define i1 @length64_eq_const(i8* %X) nounwind {
; X64-AVX2-NEXT: sete %al
; X64-AVX2-NEXT: vzeroupper
; X64-AVX2-NEXT: retq
+;
+; X64-AVX512F-LABEL: length64_eq_const:
+; X64-AVX512F: # %bb.0:
+; X64-AVX512F-NEXT: vmovdqu64 (%rdi), %zmm0
+; X64-AVX512F-NEXT: vpcmpeqd {{.*}}(%rip), %zmm0, %k0
+; X64-AVX512F-NEXT: kortestw %k0, %k0
+; X64-AVX512F-NEXT: setb %al
+; X64-AVX512F-NEXT: vzeroupper
+; X64-AVX512F-NEXT: retq
%m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 64) nounwind
%c = icmp eq i32 %m, 0
ret i1 %c
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