; ModuleID = 'tests/hello_world.bc' target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32-S128" target triple = "asmjs-unknown-emscripten" ; Phi nodes can refer to the entry. And the entry might be unnamed, and doesn't even have a consistent implicit name! @.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00", align 1 ; [#uses=1 type=[15 x i8]*] ; [#uses=0] define i32 @main() { %retval = alloca i32, align 4 ; [#uses=1 type=i32*] %1 = trunc i32 1 to i1 br i1 %1, label %whoosh, label %L26 whoosh: ; preds = %1 %a25 = trunc i32 1 to i1 br label %L26 L26: %a27 = phi i1 [ false, %0 ], [ true, %whoosh ] ; [#uses=1 type=i1] %a28 = phi i1 [ true, %0 ], [ false, %whoosh ] ; [#uses=1 type=i1] store i32 0, i32* %retval %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0)) ; [#uses=0 type=i32] %cal2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0), i1 %a27) ; make sure %27 is used %cal3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0), i1 %a28) ; make sure %28 is used ret i32 1 } ; [#uses=1] declare i32 @printf(i8*, ...)