; RUN: opt < %s -instcombine -S | not grep icmp define i32 @test1(i32 %X) { entry: icmp slt i32 %X, 0 ; :0 [#uses=1] zext i1 %0 to i32 ; :1 [#uses=1] ret i32 %1 } define i32 @test2(i32 %X) { entry: icmp ult i32 %X, -2147483648 ; :0 [#uses=1] zext i1 %0 to i32 ; :1 [#uses=1] ret i32 %1 } define i32 @test3(i32 %X) { entry: icmp slt i32 %X, 0 ; :0 [#uses=1] sext i1 %0 to i32 ; :1 [#uses=1] ret i32 %1 } define i32 @test4(i32 %X) { entry: icmp ult i32 %X, -2147483648 ; :0 [#uses=1] sext i1 %0 to i32 ; :1 [#uses=1] ret i32 %1 } ; PR4837 define <2 x i1> @test5(<2 x i64> %x) { entry: %V = icmp eq <2 x i64> %x, undef ret <2 x i1> %V }