[PATCH] D13943: AVX-512: Fixed a bug in "select" operation for i1 type

Elena Demikhovsky via llvm-commits llvm-commits at lists.llvm.org
Thu Oct 22 00:12:42 PDT 2015


This revision was automatically updated to reflect the committed changes.
Closed by commit rL250996: AVX-512: Fixed a bug in select_cc for i1 type (authored by delena).

Changed prior to commit:
  http://reviews.llvm.org/D13943?vs=38003&id=38096#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D13943

Files:
  llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
  llvm/trunk/test/CodeGen/X86/avx512-cmp.ll

Index: llvm/trunk/test/CodeGen/X86/avx512-cmp.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-cmp.ll
+++ llvm/trunk/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 @@
 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
+}
+
Index: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
@@ -1328,6 +1328,7 @@
 
     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);


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