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llvm-mirror/test/CodeGen/AArch64/vcvt-oversize.ll
Matthias Braun 73106790a8 MachineScheduler: Fully compare top/bottom candidates
In bidirectional scheduling this gives more stable results than just
comparing the "reason" fields of the top/bottom node because the reason
field may be higher depending on what other nodes are in the queue.

Differential Revision: http://reviews.llvm.org/D19401

llvm-svn: 273755
2016-06-25 00:23:00 +00:00

18 lines
726 B
LLVM

; RUN: llc -mtriple=aarch64 < %s | FileCheck %s
define <8 x i8> @float_to_i8(<8 x float>* %in) {
; CHECK-LABEL: float_to_i8:
; CHECK: ldp q1, q0, [x0]
; CHECK-DAG: fadd v[[LSB:[0-9]+]].4s, v1.4s, v1.4s
; CHECK-DAG: fadd v[[MSB:[0-9]+]].4s, v0.4s, v0.4s
; CHECK-DAG: fcvtzu v[[LSB2:[0-9]+]].4s, v[[LSB]].4s
; CHECK-DAG: fcvtzu v[[MSB2:[0-9]+]].4s, v[[MSB]].4s
; CHECK-DAG: xtn v[[TMP:[0-9]+]].4h, v[[LSB]].4s
; CHECK-DAG: xtn2 v[[TMP]].8h, v[[MSB]].4s
; CHECK-DAG: xtn v0.8b, v[[TMP]].8h
%l = load <8 x float>, <8 x float>* %in
%scale = fmul <8 x float> %l, <float 2.0, float 2.0, float 2.0, float 2.0, float 2.0, float 2.0, float 2.0, float 2.0>
%conv = fptoui <8 x float> %scale to <8 x i8>
ret <8 x i8> %conv
}