23 lines
609 B
LLVM
23 lines
609 B
LLVM
; Test that CodeGenPrepare respects endianness when splitting a store.
|
|
;
|
|
; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -force-split-store < %s | FileCheck %s
|
|
|
|
define void @fun(i16* %Src, i16* %Dst) {
|
|
; CHECK-LABEL: # %bb.0:
|
|
; CHECK: lh %r0, 0(%r2)
|
|
; CHECK-NEXT: stc %r0, 1(%r3)
|
|
; CHECK-NEXT: srl %r0, 8
|
|
; CHECK-NEXT: stc %r0, 0(%r3)
|
|
; CHECK-NEXT: br %r14
|
|
%1 = load i16, i16* %Src
|
|
%2 = trunc i16 %1 to i8
|
|
%3 = lshr i16 %1, 8
|
|
%4 = trunc i16 %3 to i8
|
|
%5 = zext i8 %2 to i16
|
|
%6 = zext i8 %4 to i16
|
|
%7 = shl nuw i16 %6, 8
|
|
%8 = or i16 %7, %5
|
|
store i16 %8, i16* %Dst
|
|
ret void
|
|
}
|