1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-01 08:23:21 +01:00
llvm-mirror/test/Analysis/ScalarEvolution/2009-04-22-TruncCast.ll
2010-01-26 19:25:59 +00:00

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
}