llvm-6502/test/CodeGen/ARM64/uminv.ll
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

93 lines
2.7 KiB
LLVM

; RUN: llc < %s -march=arm64 -arm64-neon-syntax=apple | FileCheck %s
define i32 @vmin_u8x8(<8 x i8> %a) nounwind ssp {
; CHECK-LABEL: vmin_u8x8:
; CHECK: uminv.8b b[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vminv.i = tail call i32 @llvm.arm64.neon.uminv.i32.v8i8(<8 x i8> %a) nounwind
%tmp = trunc i32 %vminv.i to i8
%tobool = icmp eq i8 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
declare i32 @bar(...)
define i32 @vmin_u4x16(<4 x i16> %a) nounwind ssp {
; CHECK-LABEL: vmin_u4x16:
; CHECK: uminv.4h h[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vminv.i = tail call i32 @llvm.arm64.neon.uminv.i32.v4i16(<4 x i16> %a) nounwind
%tmp = trunc i32 %vminv.i to i16
%tobool = icmp eq i16 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
define i32 @vmin_u8x16(<8 x i16> %a) nounwind ssp {
; CHECK-LABEL: vmin_u8x16:
; CHECK: uminv.8h h[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vminv.i = tail call i32 @llvm.arm64.neon.uminv.i32.v8i16(<8 x i16> %a) nounwind
%tmp = trunc i32 %vminv.i to i16
%tobool = icmp eq i16 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
define i32 @vmin_u16x8(<16 x i8> %a) nounwind ssp {
; CHECK-LABEL: vmin_u16x8:
; CHECK: uminv.16b b[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vminv.i = tail call i32 @llvm.arm64.neon.uminv.i32.v16i8(<16 x i8> %a) nounwind
%tmp = trunc i32 %vminv.i to i8
%tobool = icmp eq i8 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
declare i32 @llvm.arm64.neon.uminv.i32.v16i8(<16 x i8>) nounwind readnone
declare i32 @llvm.arm64.neon.uminv.i32.v8i16(<8 x i16>) nounwind readnone
declare i32 @llvm.arm64.neon.uminv.i32.v4i16(<4 x i16>) nounwind readnone
declare i32 @llvm.arm64.neon.uminv.i32.v8i8(<8 x i8>) nounwind readnone