%tmp.3 = add i32 %tmp.2, 32768 ; <i32> [#uses=1]
ret i32 %tmp.3
; CHECK: @test1
-; CHECK: %sext = trunc i32 %x to i16
-; CHECK: %tmp.3 = sext i16 %sext to i32
+; CHECK: %sext = shl i32 %x, 16
+; CHECK: %tmp.3 = ashr i32 %sext, 16
; CHECK: ret i32 %tmp.3
}
%tmp.3 = add i32 %tmp.2, -32768 ; <i32> [#uses=1]
ret i32 %tmp.3
; CHECK: @test2
-; CHECK: %sext = trunc i32 %x to i16
-; CHECK: %tmp.3 = sext i16 %sext to i32
+; CHECK: %sext = shl i32 %x, 16
+; CHECK: %tmp.3 = ashr i32 %sext, 16
; CHECK: ret i32 %tmp.3
}
%tmp.3 = add i32 %tmp.2, -128 ; <i32> [#uses=1]
ret i32 %tmp.3
; CHECK: @test5
-; CHECK: %sext = trunc i32 %x to i8
-; CHECK: %tmp.3 = sext i8 %sext to i32
+; CHECK: %sext = shl i32 %x, 24
+; CHECK: %tmp.3 = ashr i32 %sext, 24
; CHECK: ret i32 %tmp.3
}
; CHECK: ret i32 %tmp.4
}
+define i32 @test7(i16 %P) {
+ %tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
+ %sext1 = shl i32 %tmp.1, 16 ; <i32> [#uses=1]
+ %tmp.5 = ashr i32 %sext1, 16 ; <i32> [#uses=1]
+ ret i32 %tmp.5
+; CHECK: @test7
+; CHECK: %tmp.5 = sext i16 %P to i32
+; CHECK: ret i32 %tmp.5
+}
+
+define i32 @test8(i32 %x) nounwind readnone {
+entry:
+ %shr = lshr i32 %x, 5 ; <i32> [#uses=1]
+ %xor = xor i32 %shr, 67108864 ; <i32> [#uses=1]
+ %sub = add i32 %xor, -67108864 ; <i32> [#uses=1]
+ ret i32 %sub
+; CHECK: @test8
+; CHECK: %sub = ashr i32 %x, 5
+; CHECK: ret i32 %sub
+}