mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-11 13:44:28 +00:00
fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
818 B
LLVM
29 lines
818 B
LLVM
; These tests should not contain a sign extend.
|
|
; RUN: llc < %s -march=ppc32 | not grep extsh
|
|
; RUN: llc < %s -march=ppc32 | not grep extsb
|
|
|
|
define i32 @test1(i32 %mode.0.i.0) {
|
|
%tmp.79 = trunc i32 %mode.0.i.0 to i16
|
|
%tmp.80 = sext i16 %tmp.79 to i32
|
|
%tmp.81 = and i32 %tmp.80, 24
|
|
ret i32 %tmp.81
|
|
}
|
|
|
|
define i16 @test2(i16 signext %X, i16 signext %x) signext {
|
|
%tmp = sext i16 %X to i32
|
|
%tmp1 = sext i16 %x to i32
|
|
%tmp2 = add i32 %tmp, %tmp1
|
|
%tmp4 = ashr i32 %tmp2, 1
|
|
%tmp5 = trunc i32 %tmp4 to i16
|
|
%tmp45 = sext i16 %tmp5 to i32
|
|
%retval = trunc i32 %tmp45 to i16
|
|
ret i16 %retval
|
|
}
|
|
|
|
define i16 @test3(i32 zeroext %X) signext {
|
|
%tmp1 = lshr i32 %X, 16
|
|
%tmp2 = trunc i32 %tmp1 to i16
|
|
ret i16 %tmp2
|
|
}
|
|
|