1; Tests to make sure elimination of casts is working correctly
2; RUN: opt < %s -instcombine -S | FileCheck %s
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4define i64 @test_sext_zext(i16 %A) {
5        %c1 = zext i16 %A to i32                ; <i32> [#uses=1]
6        %c2 = sext i32 %c1 to i64               ; <i64> [#uses=1]
7        ret i64 %c2
8; CHECK-NOT: %c1
9; CHECK: %c2 = zext i16 %A to i64
10; CHECK: ret i64 %c2
11}
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