From 26658aadc6b19f86e83f916b5b5921d803ea3c90 Mon Sep 17 00:00:00 2001 From: Elena Demikhovsky Date: Thu, 22 Oct 2015 07:10:29 +0000 Subject: [PATCH] AVX-512: Fixed a bug in select_cc for i1 type Fixed faiure: LLVM ERROR: Cannot select: t33: i1 = select_cc t25, Constant:i32<0>, t45, t42, seteq:ch added a test Differential Revision: http://reviews.llvm.org/D13943 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250996 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86ISelLowering.cpp | 1 + test/CodeGen/X86/avx512-cmp.ll | 25 +++++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 6213a4d2db3..0de6acd5879 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1328,6 +1328,7 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM, setOperationAction(ISD::BR_CC, MVT::i1, Expand); setOperationAction(ISD::SETCC, MVT::i1, Custom); + setOperationAction(ISD::SELECT_CC, MVT::i1, Expand); setOperationAction(ISD::XOR, MVT::i1, Legal); setOperationAction(ISD::OR, MVT::i1, Legal); setOperationAction(ISD::AND, MVT::i1, Legal); diff --git a/test/CodeGen/X86/avx512-cmp.ll b/test/CodeGen/X86/avx512-cmp.ll index 6e0d18558c5..f6ea29123f1 100644 --- a/test/CodeGen/X86/avx512-cmp.ll +++ b/test/CodeGen/X86/avx512-cmp.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding | FileCheck %s +; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=knl | FileCheck %s --check-prefix AVX512-32 ; CHECK-LABEL: test1 ; CHECK: vucomisd {{.*}}encoding: [0x62 @@ -99,3 +100,27 @@ A: B: ret i32 7 } + +; AVX512-32-LABEL: test10 +; AVX512-32: movl 4(%esp), %ecx +; AVX512-32: cmpl $9, (%ecx) +; AVX512-32: seta %al +; AVX512-32: cmpl $0, 4(%ecx) +; AVX512-32: setg %cl +; AVX512-32: je +; AVX512-32: movb %cl, %al +; AVX512-32: testb $1, %al + +define void @test10(i64* %i.addr) { + + %x = load i64, i64* %i.addr, align 8 + %cmp = icmp slt i64 %x, 10 + br i1 %cmp, label %true, label %false + +true: + ret void + +false: + ret void +} + -- 2.34.1