; RUN: opt < %s -analyze -scalar-evolution | grep "(trunc i" | not grep ext
+; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test1'
+; CHECK-NOT: (trunc i{{.*}}ext
+
define i16 @test1(i8 %x) {
%A = sext i8 %x to i32
%B = trunc i32 %A to i16
ret i16 %B
}
+; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test2'
+; CHECK-NOT: (trunc i{{.*}}ext
+
define i8 @test2(i16 %x) {
%A = sext i16 %x to i32
%B = trunc i32 %A to i8
ret i8 %B
}
+; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test3'
+; CHECK-NOT: (trunc i{{.*}}ext
+
define i16 @test3(i16 %x) {
%A = sext i16 %x to i32
%B = trunc i32 %A to i16
ret i16 %B
}
+; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test4'
+; CHECK-NOT: (trunc i{{.*}}ext
+
define i16 @test4(i8 %x) {
%A = zext i8 %x to i32
%B = trunc i32 %A to i16
ret i16 %B
}
+; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test5'
+; CHECK-NOT: (trunc i{{.*}}ext
+
define i8 @test5(i16 %x) {
%A = zext i16 %x to i32
%B = trunc i32 %A to i8
ret i8 %B
}
+; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'test6'
+; CHECK-NOT: (trunc i{{.*}}ext
+
define i16 @test6(i16 %x) {
%A = zext i16 %x to i32
%B = trunc i32 %A to i16