llvm-6502/test/CodeGen/Hexagon/vect/vect-truncate.ll
Krzysztof Parzyszek 07121ea974 [Hexagon] Add support for vector instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232728 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-19 16:33:08 +00:00

43 lines
1.6 KiB
LLVM

; RUN: llc -march=hexagon < %s
; Used to fail with "Cannot select: 0x16cb7f0: v2i16 = truncate"
; ModuleID = 'bugpoint-reduced-simplified.bc'
target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-a0:0-n32"
target triple = "hexagon-unknown-linux-gnu"
define void @Autocorr() nounwind {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
br i1 undef, label %polly.loop_header43, label %for.body
do.cond: ; preds = %polly.loop_header
unreachable
do.end: ; preds = %polly.loop_after45
ret void
polly.loop_header: ; preds = %polly.loop_after45, %polly.loop_body
%0 = icmp sle i32 undef, 239
br i1 %0, label %polly.loop_body, label %do.cond
polly.loop_body: ; preds = %polly.loop_header
%p_25 = call i32 @llvm.hexagon.SI.to.SXTHI.asrh(i32 undef)
%1 = insertelement <4 x i32> undef, i32 %p_25, i32 3
%2 = trunc <4 x i32> %1 to <4 x i16>
store <4 x i16> %2, <4 x i16>* undef, align 8
br label %polly.loop_header
polly.loop_after45: ; preds = %polly.loop_header43
br i1 undef, label %polly.loop_header, label %do.end
polly.loop_header43: ; preds = %polly.loop_body44, %for.body
br i1 undef, label %polly.loop_body44, label %polly.loop_after45
polly.loop_body44: ; preds = %polly.loop_header43
br label %polly.loop_header43
}
declare i32 @llvm.hexagon.SI.to.SXTHI.asrh(i32) nounwind readnone