llvm-6502/test/CodeGen/Thumb2/2013-03-06-vector-sext-operand-scalarize.ll
Jim Grosbach 34fd0d2b93 SDAG: Handle scalarizing an extend of a <1 x iN> vector.
Just scalarize the element and rebuild a vector of the result type
from that.

rdar://13281568

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176614 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07 05:47:54 +00:00

20 lines
655 B
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s
; Testing that these don't crash/assert. The loop vectorizer can end up
; with odd constructs like this. The code actually generated is incidental.
define <1 x i64> @test_zext(i32 %a) nounwind {
; CHECK: test_zext:
%Cmp = icmp uge i32 %a, 42
%vec = insertelement <1 x i1> zeroinitializer, i1 %Cmp, i32 0
%Se = zext <1 x i1> %vec to <1 x i64>
ret <1 x i64> %Se
}
define <1 x i64> @test_sext(i32 %a) nounwind {
; CHECK: test_sext:
%Cmp = icmp uge i32 %a, 42
%vec = insertelement <1 x i1> zeroinitializer, i1 %Cmp, i32 0
%Se = sext <1 x i1> %vec to <1 x i64>
ret <1 x i64> %Se
}