mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 07:11:49 +00:00
8a977e2edd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94574 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
648 B
LLVM
38 lines
648 B
LLVM
; RUN: opt < %s -analyze -scalar-evolution | grep {(trunc i} | not grep ext
|
|
|
|
define i16 @test1(i8 %x) {
|
|
%A = sext i8 %x to i32
|
|
%B = trunc i32 %A to i16
|
|
ret i16 %B
|
|
}
|
|
|
|
define i8 @test2(i16 %x) {
|
|
%A = sext i16 %x to i32
|
|
%B = trunc i32 %A to i8
|
|
ret i8 %B
|
|
}
|
|
|
|
define i16 @test3(i16 %x) {
|
|
%A = sext i16 %x to i32
|
|
%B = trunc i32 %A to i16
|
|
ret i16 %B
|
|
}
|
|
|
|
define i16 @test4(i8 %x) {
|
|
%A = zext i8 %x to i32
|
|
%B = trunc i32 %A to i16
|
|
ret i16 %B
|
|
}
|
|
|
|
define i8 @test5(i16 %x) {
|
|
%A = zext i16 %x to i32
|
|
%B = trunc i32 %A to i8
|
|
ret i8 %B
|
|
}
|
|
|
|
define i16 @test6(i16 %x) {
|
|
%A = zext i16 %x to i32
|
|
%B = trunc i32 %A to i16
|
|
ret i16 %B
|
|
}
|