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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

llvm-svn: 250996
This commit is contained in:
Elena Demikhovsky 2015-10-22 07:10:29 +00:00
parent 7ad0d563a5
commit 5c97dfdc9c
2 changed files with 26 additions and 0 deletions
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1
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -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);

25
llvm/test/CodeGen/X86/avx512-cmp.ll
View File

@ -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
}