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llvm-mirror/test/Analysis/ScalarEvolution/2009-04-22-TruncCast.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

38 lines
664 B
LLVM

; RUN: opt < %s -analyze -scalar-evolution -disable-output | 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
}